113561012 has 6 divisors (see below), whose sum is σ = 198731778. Its totient is φ = 56780504.

The previous prime is 113561009. The next prime is 113561057. The reversal of 113561012 is 210165311.

It can be written as a sum of positive squares in only one way, i.e., 76667536 + 36893476 = 8756^2 + 6074^2 .

It is a super-2 number, since 2×113561012² = 25792206892928288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14195123 + ... + 14195130.

It is an arithmetic number, because the mean of its divisors is an integer number (33121963).

Almost surely, 2^113561012 is an apocalyptic number.

It is an amenable number.

113561012 is a deficient number, since it is larger than the sum of its proper divisors (85170766).

113561012 is a wasteful number, since it uses less digits than its factorization.

113561012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28390257 (or 28390255 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 113561012 is about 10656.5009266644. The cubic root of 113561012 is about 484.2575695737.

The spelling of 113561012 in words is "one hundred thirteen million, five hundred sixty-one thousand, twelve".