1155114552 has 32 divisors (see below), whose sum is σ = 2888989200. Its totient is φ = 384877824.

The previous prime is 1155114539. The next prime is 1155114559. The reversal of 1155114552 is 2554115511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155114559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58308 + ... + 75564.

Almost surely, 2^1155114552 is an apocalyptic number.

1155114552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155114552 is an abundant number, since it is smaller than the sum of its proper divisors (1733874648).

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

1155114552 is a wasteful number, since it uses less digits than its factorization.

1155114552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055 (or 20051 counting only the distinct ones).

The product of its digits is 5000, while the sum is 30.

The square root of 1155114552 is about 33986.9762114843. The cubic root of 1155114552 is about 1049.2404338851.

The spelling of 1155114552 in words is "one billion, one hundred fifty-five million, one hundred fourteen thousand, five hundred fifty-two".