111207362161 has 16 divisors (see below), whose sum is σ = 128281380480. Its totient is φ = 94430448000.

The previous prime is 111207362131. The next prime is 111207362173. The reversal of 111207362161 is 161263702111.

It is not a de Polignac number, because 111207362161 - 2⁹ = 111207361649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111207362131) 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, 9071286 + ... + 9083536.

It is an arithmetic number, because the mean of its divisors is an integer number (8017586280).

Almost surely, 2^111207362161 is an apocalyptic number.

It is an amenable number.

111207362161 is a deficient number, since it is larger than the sum of its proper divisors (17074018319).

111207362161 is a wasteful number, since it uses less digits than its factorization.

111207362161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24264.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 111207362161 in words is "one hundred eleven billion, two hundred seven million, three hundred sixty-two thousand, one hundred sixty-one".