157360939081 has 2 divisors, whose sum is σ = 157360939082. Its totient is φ = 157360939080.

The previous prime is 157360939079. The next prime is 157360939123. The reversal of 157360939081 is 180939063751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82550483856 + 74810455225 = 287316^2 + 273515^2 .

It is an emirp because it is prime and its reverse (180939063751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157360939081 - 2¹ = 157360939079 is a prime.

It is a super-2 number, since 2×157360939081² (a number of 23 digits) contains 22 as substring.

Together with 157360939079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (157360937081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78680469540 + 78680469541.

It is an arithmetic number, because the mean of its divisors is an integer number (78680469541).

Almost surely, 2^157360939081 is an apocalyptic number.

It is an amenable number.

157360939081 is a deficient number, since it is larger than the sum of its proper divisors (1).

157360939081 is an equidigital number, since it uses as much as digits as its factorization.

157360939081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 157360939081 in words is "one hundred fifty-seven billion, three hundred sixty million, nine hundred thirty-nine thousand, eighty-one".