1155418048 has 56 divisors (see below), whose sum is σ = 2358566784. Its totient is φ = 561254400.

The previous prime is 1155418037. The next prime is 1155418091. The reversal of 1155418048 is 8408145511.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1155417998 and 1155418016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736561 + ... + 738127.

It is an arithmetic number, because the mean of its divisors is an integer number (42117264).

Almost surely, 2^1155418048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155418048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179283392).

1155418048 is an abundant number, since it is smaller than the sum of its proper divisors (1203148736).

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

1155418048 is a wasteful number, since it uses less digits than its factorization.

1155418048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 1155418048 is about 33991.4408050027. The cubic root of 1155418048 is about 1049.3323186796.

The spelling of 1155418048 in words is "one billion, one hundred fifty-five million, four hundred eighteen thousand, forty-eight".