112617211644561 has 16 divisors (see below), whose sum is σ = 161711481430016. Its totient is φ = 69300878334336.

The previous prime is 112617211644551. The next prime is 112617211644583. The reversal of 112617211644561 is 165446112716211.

It is not a de Polignac number, because 112617211644561 - 2¹⁷ = 112617211513489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112617211644561.

It is not an unprimeable number, because it can be changed into a prime (112617211644551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40752100 + ... + 43427733.

It is an arithmetic number, because the mean of its divisors is an integer number (10106967589376).

Almost surely, 2^{112617211644561} is an apocalyptic number.

It is an amenable number.

112617211644561 is a deficient number, since it is larger than the sum of its proper divisors (49094269785455).

112617211644561 is a wasteful number, since it uses less digits than its factorization.

112617211644561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84214152.

The product of its digits is 483840, while the sum is 48.

The spelling of 112617211644561 in words is "one hundred twelve trillion, six hundred seventeen billion, two hundred eleven million, six hundred forty-four thousand, five hundred sixty-one".