157732605731 has 2 divisors, whose sum is σ = 157732605732. Its totient is φ = 157732605730.

The previous prime is 157732605721. The next prime is 157732605733. The reversal of 157732605731 is 137506237751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157732605731 - 2¹⁰ = 157732604707 is a prime.

It is a super-2 number, since 2×157732605731² (a number of 23 digits) contains 22 as substring.

Together with 157732605733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157732605733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78866302865 + 78866302866.

It is an arithmetic number, because the mean of its divisors is an integer number (78866302866).

Almost surely, 2^157732605731 is an apocalyptic number.

157732605731 is a deficient number, since it is larger than the sum of its proper divisors (1).

157732605731 is an equidigital number, since it uses as much as digits as its factorization.

157732605731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 926100, while the sum is 47.

The spelling of 157732605731 in words is "one hundred fifty-seven billion, seven hundred thirty-two million, six hundred five thousand, seven hundred thirty-one".