12375790581 has 96 divisors (see below), whose sum is σ = 22526156800. Its totient is φ = 5893430400.

The previous prime is 12375790541. The next prime is 12375790589. The reversal of 12375790581 is 18509757321.

It is not a de Polignac number, because 12375790581 - 2¹¹ = 12375788533 is a prime.

It is a super-2 number, since 2×12375790581² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12375790581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12375790589) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1492515 + ... + 1500783.

Almost surely, 2^12375790581 is an apocalyptic number.

12375790581 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12375790581 is a deficient number, since it is larger than the sum of its proper divisors (10150366219).

12375790581 is a wasteful number, since it uses less digits than its factorization.

12375790581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8351 (or 8340 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 48.

The spelling of 12375790581 in words is "twelve billion, three hundred seventy-five million, seven hundred ninety thousand, five hundred eighty-one".