157302664991 has 2 divisors, whose sum is σ = 157302664992. Its totient is φ = 157302664990.

The previous prime is 157302664919. The next prime is 157302664999. The reversal of 157302664991 is 199466203751.

Together with previous prime (157302664919) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157302664991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157302664999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78651332495 + 78651332496.

It is an arithmetic number, because the mean of its divisors is an integer number (78651332496).

Almost surely, 2^157302664991 is an apocalyptic number.

157302664991 is a deficient number, since it is larger than the sum of its proper divisors (1).

157302664991 is an equidigital number, since it uses as much as digits as its factorization.

157302664991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 157302664991 in words is "one hundred fifty-seven billion, three hundred two million, six hundred sixty-four thousand, nine hundred ninety-one".