11726521375 has 32 divisors (see below), whose sum is σ = 15511953600. Its totient is φ = 8820044800.

The previous prime is 11726521361. The next prime is 11726521379. The reversal of 11726521375 is 57312562711.

It is not a de Polignac number, because 11726521375 - 2⁹ = 11726520863 is a prime.

It is a super-2 number, since 2×11726521375² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11726521379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2520051 + ... + 2524699.

It is an arithmetic number, because the mean of its divisors is an integer number (484748550).

Almost surely, 2^11726521375 is an apocalyptic number.

11726521375 is a deficient number, since it is larger than the sum of its proper divisors (3785432225).

11726521375 is a wasteful number, since it uses less digits than its factorization.

11726521375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868 (or 5858 counting only the distinct ones).

The product of its digits is 88200, while the sum is 40.

The spelling of 11726521375 in words is "eleven billion, seven hundred twenty-six million, five hundred twenty-one thousand, three hundred seventy-five".