1155553052 has 12 divisors (see below), whose sum is σ = 2023209720. Its totient is φ = 577493136.

The previous prime is 1155553033. The next prime is 1155553067. The reversal of 1155553052 is 2503555511.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 61538 + ... + 78089.

It is an arithmetic number, because the mean of its divisors is an integer number (168600810).

Almost surely, 2^1155553052 is an apocalyptic number.

It is an amenable number.

1155553052 is a deficient number, since it is larger than the sum of its proper divisors (867656668).

1155553052 is a wasteful number, since it uses less digits than its factorization.

1155553052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141700 (or 141698 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 1155553052 is about 33993.4265998590. The cubic root of 1155553052 is about 1049.3731865841.

The spelling of 1155553052 in words is "one billion, one hundred fifty-five million, five hundred fifty-three thousand, fifty-two".