11850857612 has 36 divisors (see below), whose sum is σ = 23995556760. Its totient is φ = 5103236160.

The previous prime is 11850857597. The next prime is 11850857633. The reversal of 11850857612 is 21675805811.

11850857612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11850857612² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635153 + ... + 653544.

Almost surely, 2^11850857612 is an apocalyptic number.

It is an amenable number.

11850857612 is an abundant number, since it is smaller than the sum of its proper divisors (12144699148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11850857612 is a wasteful number, since it uses less digits than its factorization.

11850857612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288742 (or 1288729 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 44.

The spelling of 11850857612 in words is "eleven billion, eight hundred fifty million, eight hundred fifty-seven thousand, six hundred twelve".