11859650951 has 2 divisors, whose sum is σ = 11859650952. Its totient is φ = 11859650950.

The previous prime is 11859650921. The next prime is 11859650969. The reversal of 11859650951 is 15905695811.

It is a strong prime.

It is an emirp because it is prime and its reverse (15905695811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11859650951 - 2²⁶ = 11792542087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11859650951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11859650921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929825475 + 5929825476.

It is an arithmetic number, because the mean of its divisors is an integer number (5929825476).

Almost surely, 2^11859650951 is an apocalyptic number.

11859650951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11859650951 is an equidigital number, since it uses as much as digits as its factorization.

11859650951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 50.

The spelling of 11859650951 in words is "eleven billion, eight hundred fifty-nine million, six hundred fifty thousand, nine hundred fifty-one".