1156081337137 has 2 divisors, whose sum is σ = 1156081337138. Its totient is φ = 1156081337136.

The previous prime is 1156081337111. The next prime is 1156081337179. The reversal of 1156081337137 is 7317331806511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651255456016 + 504825881121 = 807004^2 + 710511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156081337137 - 2⁷ = 1156081337009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1156081337237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578040668568 + 578040668569.

It is an arithmetic number, because the mean of its divisors is an integer number (578040668569).

Almost surely, 2^{1156081337137} is an apocalyptic number.

It is an amenable number.

1156081337137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156081337137 is an equidigital number, since it uses as much as digits as its factorization.

1156081337137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 1156081337137 in words is "one trillion, one hundred fifty-six billion, eighty-one million, three hundred thirty-seven thousand, one hundred thirty-seven".