11656743086251 has 2 divisors, whose sum is σ = 11656743086252. Its totient is φ = 11656743086250.

The previous prime is 11656743086227. The next prime is 11656743086257. The reversal of 11656743086251 is 15268034765611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11656743086251 - 2¹³ = 11656743078059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11656743086192 and 11656743086201.

It is not a weakly prime, because it can be changed into another prime (11656743086257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828371543125 + 5828371543126.

It is an arithmetic number, because the mean of its divisors is an integer number (5828371543126).

Almost surely, 2^{11656743086251} is an apocalyptic number.

11656743086251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11656743086251 is an equidigital number, since it uses as much as digits as its factorization.

11656743086251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 11656743086251 in words is "eleven trillion, six hundred fifty-six billion, seven hundred forty-three million, eighty-six thousand, two hundred fifty-one".