11383172574 has 48 divisors (see below), whose sum is σ = 24050183040. Its totient is φ = 3591314640.

The previous prime is 11383172569. The next prime is 11383172629. The reversal of 11383172574 is 47527138311.

It is a congruent number.

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, 3375109 + ... + 3378479.

It is an arithmetic number, because the mean of its divisors is an integer number (501045480).

Almost surely, 2^11383172574 is an apocalyptic number.

11383172574 is an abundant number, since it is smaller than the sum of its proper divisors (12667010466).

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

11383172574 is a wasteful number, since it uses less digits than its factorization.

11383172574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973 (or 4954 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The spelling of 11383172574 in words is "eleven billion, three hundred eighty-three million, one hundred seventy-two thousand, five hundred seventy-four".