11872568311 has 2 divisors, whose sum is σ = 11872568312. Its totient is φ = 11872568310.

The previous prime is 11872568299. The next prime is 11872568377. The reversal of 11872568311 is 11386527811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11872568311 - 2²¹ = 11870471159 is a prime.

It is a super-2 number, since 2×11872568311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11872568611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936284155 + 5936284156.

It is an arithmetic number, because the mean of its divisors is an integer number (5936284156).

Almost surely, 2^11872568311 is an apocalyptic number.

11872568311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11872568311 is an equidigital number, since it uses as much as digits as its factorization.

11872568311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 43.

The spelling of 11872568311 in words is "eleven billion, eight hundred seventy-two million, five hundred sixty-eight thousand, three hundred eleven".