157321630125 has 192 divisors, whose sum is σ = 324907794432. Its totient is φ = 72491760000.

The previous prime is 157321630051. The next prime is 157321630199. The reversal of 157321630125 is 521036123751.

157321630125 is a `hidden beast` number, since 1 + 5 + 7 + 3 + 2 + 1 + 630 + 12 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (157321630051) and next prime (157321630199).

It is not a de Polignac number, because 157321630125 - 2⁹ = 157321629613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157321630125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 46392180 + ... + 46395570.

It is an arithmetic number, because the mean of its divisors is an integer number (1692228096).

Almost surely, 2^157321630125 is an apocalyptic number.

157321630125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157321630125 is an abundant number, since it is smaller than the sum of its proper divisors (167586164307).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157321630125 is a wasteful number, since it uses less digits than its factorization.

157321630125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

Adding to 157321630125 its reverse (521036123751), we get a palindrome (678357753876).

The spelling of 157321630125 in words is "one hundred fifty-seven billion, three hundred twenty-one million, six hundred thirty thousand, one hundred twenty-five".