112640637065 has 16 divisors (see below), whose sum is σ = 147548367936. Its totient is φ = 81869611200.

The previous prime is 112640637037. The next prime is 112640637079. The reversal of 112640637065 is 560736046211.

It is not a de Polignac number, because 112640637065 - 2¹⁴ = 112640620681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546131 + ... + 723560.

It is an arithmetic number, because the mean of its divisors is an integer number (9221772996).

Almost surely, 2^112640637065 is an apocalyptic number.

It is an amenable number.

112640637065 is a deficient number, since it is larger than the sum of its proper divisors (34907730871).

112640637065 is a wasteful number, since it uses less digits than its factorization.

112640637065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271320.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 112640637065 in words is "one hundred twelve billion, six hundred forty million, six hundred thirty-seven thousand, sixty-five".