11857758611 has 2 divisors, whose sum is σ = 11857758612. Its totient is φ = 11857758610.

The previous prime is 11857758599. The next prime is 11857758617. The reversal of 11857758611 is 11685775811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11857758611 - 2⁶ = 11857758547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11857758611.

It is not a weakly prime, because it can be changed into another prime (11857758617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5928879305 + 5928879306.

It is an arithmetic number, because the mean of its divisors is an integer number (5928879306).

Almost surely, 2^11857758611 is an apocalyptic number.

11857758611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11857758611 is an equidigital number, since it uses as much as digits as its factorization.

11857758611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 50.

The spelling of 11857758611 in words is "eleven billion, eight hundred fifty-seven million, seven hundred fifty-eight thousand, six hundred eleven".