11242667172 has 24 divisors (see below), whose sum is σ = 28617698592. Its totient is φ = 3406868800.

The previous prime is 11242667129. The next prime is 11242667221. The reversal of 11242667172 is 27176624211.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11242667172.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42585729 + ... + 42585992.

It is an arithmetic number, because the mean of its divisors is an integer number (1192404108).

Almost surely, 2^11242667172 is an apocalyptic number.

11242667172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11242667172 is an abundant number, since it is smaller than the sum of its proper divisors (17375031420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11242667172 is a wasteful number, since it uses less digits than its factorization.

11242667172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85171739 (or 85171737 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The spelling of 11242667172 in words is "eleven billion, two hundred forty-two million, six hundred sixty-seven thousand, one hundred seventy-two".