11687455319 has 2 divisors, whose sum is σ = 11687455320. Its totient is φ = 11687455318.

The previous prime is 11687455301. The next prime is 11687455321. The reversal of 11687455319 is 91355478611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11687455319 - 2⁸ = 11687455063 is a prime.

It is a super-2 number, since 2×11687455319² (a number of 21 digits) contains 22 as substring.

Together with 11687455321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11687415319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5843727659 + 5843727660.

It is an arithmetic number, because the mean of its divisors is an integer number (5843727660).

Almost surely, 2^11687455319 is an apocalyptic number.

11687455319 is a deficient number, since it is larger than the sum of its proper divisors (1).

11687455319 is an equidigital number, since it uses as much as digits as its factorization.

11687455319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 50.

The spelling of 11687455319 in words is "eleven billion, six hundred eighty-seven million, four hundred fifty-five thousand, three hundred nineteen".