11656651665151 has 2 divisors, whose sum is σ = 11656651665152. Its totient is φ = 11656651665150.

The previous prime is 11656651665107. The next prime is 11656651665161. The reversal of 11656651665151 is 15156615665611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11656651665151 - 2²⁵ = 11656618110719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11656651665092 and 11656651665101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11656651665161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828325832575 + 5828325832576.

It is an arithmetic number, because the mean of its divisors is an integer number (5828325832576).

Almost surely, 2^{11656651665151} is an apocalyptic number.

11656651665151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11656651665151 is an equidigital number, since it uses as much as digits as its factorization.

11656651665151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860000, while the sum is 55.

The spelling of 11656651665151 in words is "eleven trillion, six hundred fifty-six billion, six hundred fifty-one million, six hundred sixty-five thousand, one hundred fifty-one".