112815561651 has 32 divisors (see below), whose sum is σ = 164511449088. Its totient is φ = 68346305280.

The previous prime is 112815561587. The next prime is 112815561667. The reversal of 112815561651 is 156165518211.

It is not a de Polignac number, because 112815561651 - 2⁶ = 112815561587 is a prime.

It is a super-3 number, since 3×112815561651³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (112815561671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4484430 + ... + 4509516.

It is an arithmetic number, because the mean of its divisors is an integer number (5140982784).

Almost surely, 2^112815561651 is an apocalyptic number.

112815561651 is a deficient number, since it is larger than the sum of its proper divisors (51695887437).

112815561651 is a wasteful number, since it uses less digits than its factorization.

112815561651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26891.

The product of its digits is 72000, while the sum is 42.

The spelling of 112815561651 in words is "one hundred twelve billion, eight hundred fifteen million, five hundred sixty-one thousand, six hundred fifty-one".