1155113050 has 48 divisors (see below), whose sum is σ = 2644330752. Its totient is φ = 365572800.

The previous prime is 1155113021. The next prime is 1155113053. The reversal of 1155113050 is 503115511.

It is not an unprimeable number, because it can be changed into a prime (1155113053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122386 + ... + 131485.

It is an arithmetic number, because the mean of its divisors is an integer number (55090224).

Almost surely, 2^1155113050 is an apocalyptic number.

1155113050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155113050 is an abundant number, since it is smaller than the sum of its proper divisors (1489217702).

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

1155113050 is a wasteful number, since it uses less digits than its factorization.

1155113050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253903 (or 253898 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1155113050 is about 33986.9541147776. The cubic root of 1155113050 is about 1049.2399791078.

Adding to 1155113050 its reverse (503115511), we get a palindrome (1658228561).

The spelling of 1155113050 in words is "one billion, one hundred fifty-five million, one hundred thirteen thousand, fifty".