112109974772491 has 2 divisors, whose sum is σ = 112109974772492. Its totient is φ = 112109974772490.

The previous prime is 112109974772449. The next prime is 112109974772527. The reversal of 112109974772491 is 194277479901211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112109974772491 - 2⁹ = 112109974771979 is a prime.

It is not a weakly prime, because it can be changed into another prime (112109974772291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56054987386245 + 56054987386246.

It is an arithmetic number, because the mean of its divisors is an integer number (56054987386246).

Almost surely, 2^{112109974772491} is an apocalyptic number.

112109974772491 is a deficient number, since it is larger than the sum of its proper divisors (1).

112109974772491 is an equidigital number, since it uses as much as digits as its factorization.

112109974772491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16003008, while the sum is 64.

The spelling of 112109974772491 in words is "one hundred twelve trillion, one hundred nine billion, nine hundred seventy-four million, seven hundred seventy-two thousand, four hundred ninety-one".