157496975971 has 2 divisors, whose sum is σ = 157496975972. Its totient is φ = 157496975970.

The previous prime is 157496975929. The next prime is 157496976001. The reversal of 157496975971 is 179579694751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157496975971 - 2¹³ = 157496967779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157496975971.

It is not a weakly prime, because it can be changed into another prime (157496975921) 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, 78748487985 + 78748487986.

It is an arithmetic number, because the mean of its divisors is an integer number (78748487986).

Almost surely, 2^157496975971 is an apocalyptic number.

157496975971 is a deficient number, since it is larger than the sum of its proper divisors (1).

157496975971 is an equidigital number, since it uses as much as digits as its factorization.

157496975971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150028200, while the sum is 70.

The spelling of 157496975971 in words is "one hundred fifty-seven billion, four hundred ninety-six million, nine hundred seventy-five thousand, nine hundred seventy-one".