357023617081 has 2 divisors, whose sum is σ = 357023617082. Its totient is φ = 357023617080.

The previous prime is 357023617051. The next prime is 357023617117. The reversal of 357023617081 is 180716320753.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354173765625 + 2849851456 = 595125^2 + 53384^2 .

It is a cyclic number.

It is not a de Polignac number, because 357023617081 - 2¹³ = 357023608889 is a prime.

It is a super-2 number, since 2×357023617081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (357023617031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178511808540 + 178511808541.

It is an arithmetic number, because the mean of its divisors is an integer number (178511808541).

Almost surely, 2^357023617081 is an apocalyptic number.

It is an amenable number.

357023617081 is a deficient number, since it is larger than the sum of its proper divisors (1).

357023617081 is an equidigital number, since it uses as much as digits as its factorization.

357023617081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 357023617081 in words is "three hundred fifty-seven billion, twenty-three million, six hundred seventeen thousand, eighty-one".