11656724750971 has 2 divisors, whose sum is σ = 11656724750972. Its totient is φ = 11656724750970.

The previous prime is 11656724750969. The next prime is 11656724751059. The reversal of 11656724750971 is 17905742765611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11656724750971 - 2¹ = 11656724750969 is a prime.

Together with 11656724750969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11656724750921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828362375485 + 5828362375486.

It is an arithmetic number, because the mean of its divisors is an integer number (5828362375486).

Almost surely, 2^{11656724750971} is an apocalyptic number.

11656724750971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11656724750971 is an equidigital number, since it uses as much as digits as its factorization.

11656724750971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 11656724750971 in words is "eleven trillion, six hundred fifty-six billion, seven hundred twenty-four million, seven hundred fifty thousand, nine hundred seventy-one".