112998503257 has 4 divisors (see below), whose sum is σ = 113169454756. Its totient is φ = 112827551760.

The previous prime is 112998503251. The next prime is 112998503273. The reversal of 112998503257 is 752305899211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100196938521 + 12801564736 = 316539^2 + 113144^2 .

It is a cyclic number.

It is not a de Polignac number, because 112998503257 - 2⁷ = 112998503129 is a prime.

It is the 336153-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112998503251) by changing a digit.

It is a nontrivial repunit in base 336152.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85474758 + ... + 85476079.

It is an arithmetic number, because the mean of its divisors is an integer number (28292363689).

Almost surely, 2^112998503257 is an apocalyptic number.

It is an amenable number.

112998503257 is a deficient number, since it is larger than the sum of its proper divisors (170951499).

112998503257 is an equidigital number, since it uses as much as digits as its factorization.

112998503257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170951498.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 112998503257 in words is "one hundred twelve billion, nine hundred ninety-eight million, five hundred three thousand, two hundred fifty-seven".