157611065837 has 2 divisors, whose sum is σ = 157611065838. Its totient is φ = 157611065836.

The previous prime is 157611065791. The next prime is 157611065849. The reversal of 157611065837 is 738560116751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112554211081 + 45056854756 = 335491^2 + 212266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157611065837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157611061837) 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, 78805532918 + 78805532919.

It is an arithmetic number, because the mean of its divisors is an integer number (78805532919).

Almost surely, 2^157611065837 is an apocalyptic number.

It is an amenable number.

157611065837 is a deficient number, since it is larger than the sum of its proper divisors (1).

157611065837 is an equidigital number, since it uses as much as digits as its factorization.

157611065837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 157611065837 in words is "one hundred fifty-seven billion, six hundred eleven million, sixty-five thousand, eight hundred thirty-seven".