11312555311 has 2 divisors, whose sum is σ = 11312555312. Its totient is φ = 11312555310.

The previous prime is 11312555249. The next prime is 11312555323. The reversal of 11312555311 is 11355521311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11312555311 - 2²⁵ = 11279000879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11312555311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312555341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656277655 + 5656277656.

It is an arithmetic number, because the mean of its divisors is an integer number (5656277656).

Almost surely, 2^11312555311 is an apocalyptic number.

11312555311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312555311 is an equidigital number, since it uses as much as digits as its factorization.

11312555311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 28.

The spelling of 11312555311 in words is "eleven billion, three hundred twelve million, five hundred fifty-five thousand, three hundred eleven".