12157750575 has 18 divisors (see below), whose sum is σ = 21775882544. Its totient is φ = 6484133520.

The previous prime is 12157750567. The next prime is 12157750589. The reversal of 12157750575 is 57505775121.

12157750575 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 7 + 75 + 0 + 575 = 666.

12157750575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12157750575 - 2³ = 12157750567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12157750575.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27016999 + ... + 27017448.

Almost surely, 2^12157750575 is an apocalyptic number.

12157750575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12157750575 is a deficient number, since it is larger than the sum of its proper divisors (9618131969).

12157750575 is a wasteful number, since it uses less digits than its factorization.

12157750575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54034463 (or 54034455 counting only the distinct ones).

The product of its (nonzero) digits is 428750, while the sum is 45.

The spelling of 12157750575 in words is "twelve billion, one hundred fifty-seven million, seven hundred fifty thousand, five hundred seventy-five".