11596899887 has 2 divisors, whose sum is σ = 11596899888. Its totient is φ = 11596899886.

The previous prime is 11596899827. The next prime is 11596899931. The reversal of 11596899887 is 78899869511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11596899887 - 2²⁶ = 11529791023 is a prime.

It is a super-2 number, since 2×11596899887² (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 11596899887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11596899827) 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, 5798449943 + 5798449944.

It is an arithmetic number, because the mean of its divisors is an integer number (5798449944).

Almost surely, 2^11596899887 is an apocalyptic number.

11596899887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11596899887 is an equidigital number, since it uses as much as digits as its factorization.

11596899887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78382080, while the sum is 71.

The spelling of 11596899887 in words is "eleven billion, five hundred ninety-six million, eight hundred ninety-nine thousand, eight hundred eighty-seven".