11172274125 has 64 divisors (see below), whose sum is σ = 18992413440. Its totient is φ = 5830406400.

The previous prime is 11172274097. The next prime is 11172274129. The reversal of 11172274125 is 52147227111.

It is not a de Polignac number, because 11172274125 - 2⁷ = 11172273997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172274129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13097199 + ... + 13098051.

It is an arithmetic number, because the mean of its divisors is an integer number (296756460).

Almost surely, 2^11172274125 is an apocalyptic number.

11172274125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11172274125 is a deficient number, since it is larger than the sum of its proper divisors (7820139315).

11172274125 is an equidigital number, since it uses as much as digits as its factorization.

11172274125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1573 counting only the distinct ones).

The product of its digits is 7840, while the sum is 33.

The spelling of 11172274125 in words is "eleven billion, one hundred seventy-two million, two hundred seventy-four thousand, one hundred twenty-five".