11857148611 has 32 divisors (see below), whose sum is σ = 15069888000. Its totient is φ = 9061728000.

The previous prime is 11857148573. The next prime is 11857148629. The reversal of 11857148611 is 11684175811.

It is a cyclic number.

It is not a de Polignac number, because 11857148611 - 2¹¹ = 11857146563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11854148611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 825015 + ... + 839263.

It is an arithmetic number, because the mean of its divisors is an integer number (470934000).

Almost surely, 2^11857148611 is an apocalyptic number.

11857148611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11857148611 is a deficient number, since it is larger than the sum of its proper divisors (3212739389).

11857148611 is a wasteful number, since it uses less digits than its factorization.

11857148611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14475.

The product of its digits is 53760, while the sum is 43.

The spelling of 11857148611 in words is "eleven billion, eight hundred fifty-seven million, one hundred forty-eight thousand, six hundred eleven".