12087528375 has 32 divisors (see below), whose sum is σ = 21660859584. Its totient is φ = 5950780800.

The previous prime is 12087528337. The next prime is 12087528389. The reversal of 12087528375 is 57382578021.

It is not a de Polignac number, because 12087528375 - 2⁶ = 12087528311 is a prime.

It is a super-2 number, since 2×12087528375² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1234872 + ... + 1244621.

It is an arithmetic number, because the mean of its divisors is an integer number (676901862).

Almost surely, 2^12087528375 is an apocalyptic number.

12087528375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12087528375 is a deficient number, since it is larger than the sum of its proper divisors (9573331209).

12087528375 is a wasteful number, since it uses less digits than its factorization.

12087528375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479524 (or 2479514 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 12087528375 in words is "twelve billion, eighty-seven million, five hundred twenty-eight thousand, three hundred seventy-five".