157915162187 has 2 divisors, whose sum is σ = 157915162188. Its totient is φ = 157915162186.

The previous prime is 157915162073. The next prime is 157915162193. The reversal of 157915162187 is 781261519751.

It is a strong prime.

It is an emirp because it is prime and its reverse (781261519751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157915162187 - 2¹⁰ = 157915161163 is a prime.

It is not a weakly prime, because it can be changed into another prime (157915162687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78957581093 + 78957581094.

It is an arithmetic number, because the mean of its divisors is an integer number (78957581094).

Almost surely, 2^157915162187 is an apocalyptic number.

157915162187 is a deficient number, since it is larger than the sum of its proper divisors (1).

157915162187 is an equidigital number, since it uses as much as digits as its factorization.

157915162187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 53.

The spelling of 157915162187 in words is "one hundred fifty-seven billion, nine hundred fifteen million, one hundred sixty-two thousand, one hundred eighty-seven".