11500514239 has 2 divisors, whose sum is σ = 11500514240. Its totient is φ = 11500514238.

The previous prime is 11500514219. The next prime is 11500514269. The reversal of 11500514239 is 93241500511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11500514239 - 2⁷ = 11500514111 is a prime.

It is a super-2 number, since 2×11500514239² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11500514239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11500514219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750257119 + 5750257120.

It is an arithmetic number, because the mean of its divisors is an integer number (5750257120).

Almost surely, 2^11500514239 is an apocalyptic number.

11500514239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11500514239 is an equidigital number, since it uses as much as digits as its factorization.

11500514239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 11500514239 in words is "eleven billion, five hundred million, five hundred fourteen thousand, two hundred thirty-nine".