1157932951613 has 2 divisors, whose sum is σ = 1157932951614. Its totient is φ = 1157932951612.

The previous prime is 1157932951579. The next prime is 1157932951627. The reversal of 1157932951613 is 3161592397511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055464460164 + 102468491449 = 1027358^2 + 320107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157932951613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157932951213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578966475806 + 578966475807.

It is an arithmetic number, because the mean of its divisors is an integer number (578966475807).

Almost surely, 2^{1157932951613} is an apocalyptic number.

It is an amenable number.

1157932951613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157932951613 is an equidigital number, since it uses as much as digits as its factorization.

1157932951613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 53.

The spelling of 1157932951613 in words is "one trillion, one hundred fifty-seven billion, nine hundred thirty-two million, nine hundred fifty-one thousand, six hundred thirteen".