11657864574751 has 2 divisors, whose sum is σ = 11657864574752. Its totient is φ = 11657864574750.

The previous prime is 11657864574739. The next prime is 11657864574859. The reversal of 11657864574751 is 15747546875611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11657864574751 - 2¹¹ = 11657864572703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11657864574731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828932287375 + 5828932287376.

It is an arithmetic number, because the mean of its divisors is an integer number (5828932287376).

Almost surely, 2^{11657864574751} is an apocalyptic number.

11657864574751 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657864574751 is an equidigital number, since it uses as much as digits as its factorization.

11657864574751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568000, while the sum is 67.

The spelling of 11657864574751 in words is "eleven trillion, six hundred fifty-seven billion, eight hundred sixty-four million, five hundred seventy-four thousand, seven hundred fifty-one".