157948715231 has 2 divisors, whose sum is σ = 157948715232. Its totient is φ = 157948715230.

The previous prime is 157948715207. The next prime is 157948715297. The reversal of 157948715231 is 132517849751.

157948715231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157948715231 - 2¹⁸ = 157948453087 is a prime.

It is a super-2 number, since 2×157948715231² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157948715831) 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 as a sum of consecutive naturals, namely, 78974357615 + 78974357616.

It is an arithmetic number, because the mean of its divisors is an integer number (78974357616).

Almost surely, 2^157948715231 is an apocalyptic number.

157948715231 is a deficient number, since it is larger than the sum of its proper divisors (1).

157948715231 is an equidigital number, since it uses as much as digits as its factorization.

157948715231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 53.

The spelling of 157948715231 in words is "one hundred fifty-seven billion, nine hundred forty-eight million, seven hundred fifteen thousand, two hundred thirty-one".