12507637575 has 24 divisors (see below), whose sum is σ = 20770420608. Its totient is φ = 6641344480.

The previous prime is 12507637561. The next prime is 12507637609. The reversal of 12507637575 is 57573670521.

It is not a de Polignac number, because 12507637575 - 2⁹ = 12507637063 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 350307 + ... + 384356.

It is an arithmetic number, because the mean of its divisors is an integer number (865434192).

Almost surely, 2^12507637575 is an apocalyptic number.

12507637575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12507637575 is a deficient number, since it is larger than the sum of its proper divisors (8262783033).

12507637575 is a wasteful number, since it uses less digits than its factorization.

12507637575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734903 (or 734898 counting only the distinct ones).

The product of its (nonzero) digits is 1543500, while the sum is 48.

The spelling of 12507637575 in words is "twelve billion, five hundred seven million, six hundred thirty-seven thousand, five hundred seventy-five".