11217142675 has 24 divisors (see below), whose sum is σ = 14187083040. Its totient is φ = 8795942400.

The previous prime is 11217142661. The next prime is 11217142681. The reversal of 11217142675 is 57624171211.

It is a de Polignac number, because none of the positive numbers 2^k-11217142675 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288811 + ... + 325339.

It is an arithmetic number, because the mean of its divisors is an integer number (591128460).

Almost surely, 2^11217142675 is an apocalyptic number.

11217142675 is a deficient number, since it is larger than the sum of its proper divisors (2969940365).

11217142675 is a wasteful number, since it uses less digits than its factorization.

11217142675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36783 (or 36778 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

It can be divided in two parts, 112171 and 42675, that added together give a triangular number (154846 = T₅₅₆).

The spelling of 11217142675 in words is "eleven billion, two hundred seventeen million, one hundred forty-two thousand, six hundred seventy-five".