75131951385 has 16 divisors (see below), whose sum is σ = 124088901120. Its totient is φ = 38777781120.

The previous prime is 75131951357. The next prime is 75131951387. The reversal of 75131951385 is 58315913157.

It is not a de Polignac number, because 75131951385 - 2¹⁴ = 75131935001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75131951387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80786580 + ... + 80787509.

It is an arithmetic number, because the mean of its divisors is an integer number (7755556320).

Almost surely, 2^75131951385 is an apocalyptic number.

It is an amenable number.

75131951385 is a deficient number, since it is larger than the sum of its proper divisors (48956949735).

75131951385 is a wasteful number, since it uses less digits than its factorization.

75131951385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161574128.

The product of its digits is 567000, while the sum is 48.

The spelling of 75131951385 in words is "seventy-five billion, one hundred thirty-one million, nine hundred fifty-one thousand, three hundred eighty-five".