11386678951 has 2 divisors, whose sum is σ = 11386678952. Its totient is φ = 11386678950.

The previous prime is 11386678937. The next prime is 11386679021. The reversal of 11386678951 is 15987668311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11386678951 - 2³³ = 2796744359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11386678892 and 11386678901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11386648951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5693339475 + 5693339476.

It is an arithmetic number, because the mean of its divisors is an integer number (5693339476).

Almost surely, 2^11386678951 is an apocalyptic number.

11386678951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11386678951 is an equidigital number, since it uses as much as digits as its factorization.

11386678951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 55.

The spelling of 11386678951 in words is "eleven billion, three hundred eighty-six million, six hundred seventy-eight thousand, nine hundred fifty-one".