1155179264 has 36 divisors (see below), whose sum is σ = 2362107720. Its totient is φ = 563496960.

The previous prime is 1155179261. The next prime is 1155179273. The reversal of 1155179264 is 4629715511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (1155179261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44534 + ... + 65525.

Almost surely, 2^1155179264 is an apocalyptic number.

It is an amenable number.

1155179264 is an abundant number, since it is smaller than the sum of its proper divisors (1206928456).

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

1155179264 is an equidigital number, since it uses as much as digits as its factorization.

1155179264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110116 (or 110102 counting only the distinct ones).

The product of its digits is 75600, while the sum is 41.

The square root of 1155179264 is about 33987.9282098806. The cubic root of 1155179264 is about 1049.2600270874.

The spelling of 1155179264 in words is "one billion, one hundred fifty-five million, one hundred seventy-nine thousand, two hundred sixty-four".