1136973871081 has 2 divisors, whose sum is σ = 1136973871082. Its totient is φ = 1136973871080.

The previous prime is 1136973871027. The next prime is 1136973871177. The reversal of 1136973871081 is 1801783796311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1089685454400 + 47288416681 = 1043880^2 + 217459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136973871081 - 2²⁹ = 1136437000169 is a prime.

It is a super-2 number, since 2×1136973871081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1136973871021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568486935540 + 568486935541.

It is an arithmetic number, because the mean of its divisors is an integer number (568486935541).

Almost surely, 2^{1136973871081} is an apocalyptic number.

It is an amenable number.

1136973871081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136973871081 is an equidigital number, since it uses as much as digits as its factorization.

1136973871081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 1136973871081 in words is "one trillion, one hundred thirty-six billion, nine hundred seventy-three million, eight hundred seventy-one thousand, eighty-one".