11872465523 has 2 divisors, whose sum is σ = 11872465524. Its totient is φ = 11872465522.

The previous prime is 11872465513. The next prime is 11872465541. The reversal of 11872465523 is 32556427811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11872465523 is a prime.

It is not a weakly prime, because it can be changed into another prime (11872465513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936232761 + 5936232762.

It is an arithmetic number, because the mean of its divisors is an integer number (5936232762).

Almost surely, 2^11872465523 is an apocalyptic number.

11872465523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11872465523 is an equidigital number, since it uses as much as digits as its factorization.

11872465523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The spelling of 11872465523 in words is "eleven billion, eight hundred seventy-two million, four hundred sixty-five thousand, five hundred twenty-three".