1156516252 has 12 divisors (see below), whose sum is σ = 2078603800. Its totient is φ = 562629456.

The previous prime is 1156516247. The next prime is 1156516253. The reversal of 1156516252 is 2526156511.

It is a super-2 number, since 2×1156516252² = 2675059682280255008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156516253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907002 + ... + 3907297.

Almost surely, 2^1156516252 is an apocalyptic number.

It is an amenable number.

1156516252 is a deficient number, since it is larger than the sum of its proper divisors (922087548).

1156516252 is a wasteful number, since it uses less digits than its factorization.

1156516252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814340 (or 7814338 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 1156516252 is about 34007.5910937543. The cubic root of 1156516252 is about 1049.6646705467.

The spelling of 1156516252 in words is "one billion, one hundred fifty-six million, five hundred sixteen thousand, two hundred fifty-two".