75079125382509 has 24 divisors (see below), whose sum is σ = 109501293641792. Its totient is φ = 49566448817280.

The previous prime is 75079125382487. The next prime is 75079125382517. The reversal of 75079125382509 is 90528352197057.

75079125382509 is a `hidden beast` number, since 7 + 5 + 0 + 7 + 91 + 2 + 5 + 38 + 2 + 509 = 666.

It is not a de Polignac number, because 75079125382509 - 2⁵ = 75079125382477 is a prime.

It is a super-3 number, since 3×75079125382509³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75079125382309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226291989 + ... + 226623525.

Almost surely, 2^{75079125382509} is an apocalyptic number.

It is an amenable number.

75079125382509 is a deficient number, since it is larger than the sum of its proper divisors (34422168259283).

75079125382509 is a wasteful number, since it uses less digits than its factorization.

75079125382509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575937 (or 575934 counting only the distinct ones).

The product of its (nonzero) digits is 47628000, while the sum is 63.

The spelling of 75079125382509 in words is "seventy-five trillion, seventy-nine billion, one hundred twenty-five million, three hundred eighty-two thousand, five hundred nine".