157102586891 has 2 divisors, whose sum is σ = 157102586892. Its totient is φ = 157102586890.

The previous prime is 157102586801. The next prime is 157102586923. The reversal of 157102586891 is 198685201751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157102586891 - 2²⁶ = 157035478027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (157102586801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78551293445 + 78551293446.

It is an arithmetic number, because the mean of its divisors is an integer number (78551293446).

Almost surely, 2^157102586891 is an apocalyptic number.

157102586891 is a deficient number, since it is larger than the sum of its proper divisors (1).

157102586891 is an equidigital number, since it uses as much as digits as its factorization.

157102586891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 53.

The spelling of 157102586891 in words is "one hundred fifty-seven billion, one hundred two million, five hundred eighty-six thousand, eight hundred ninety-one".