1155153930 has 96 divisors (see below), whose sum is σ = 3329164800. Its totient is φ = 255507840.

The previous prime is 1155153929. The next prime is 1155153931. The reversal of 1155153930 is 393515511.

1155153930 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1155153929) and next prime (1155153931).

It is a junction number, because it is equal to n+sod(n) for n = 1155153891 and 1155153900.

It is not an unprimeable number, because it can be changed into a prime (1155153931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32896 + ... + 58244.

It is an arithmetic number, because the mean of its divisors is an integer number (34678800).

Almost surely, 2^1155153930 is an apocalyptic number.

1155153930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155153930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664582400).

1155153930 is an abundant number, since it is smaller than the sum of its proper divisors (2174010870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155153930 is a wasteful number, since it uses less digits than its factorization.

1155153930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25404 (or 25397 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 33.

The square root of 1155153930 is about 33987.5555166888. Note that the first 4 decimals coincide. The cubic root of 1155153930 is about 1049.2523566623.

The spelling of 1155153930 in words is "one billion, one hundred fifty-five million, one hundred fifty-three thousand, nine hundred thirty".