11857048712 has 32 divisors (see below), whose sum is σ = 22917864600. Its totient is φ = 5746811904.

The previous prime is 11857048703. The next prime is 11857048727. The reversal of 11857048712 is 21784075811.

It can be written as a sum of positive squares in 4 ways, for example, as 8677667716 + 3179380996 = 93154^2 + 56386^2 .

It is a super-3 number, since 3×11857048712³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5168 + ... + 154080.

Almost surely, 2^11857048712 is an apocalyptic number.

It is an amenable number.

11857048712 is a deficient number, since it is larger than the sum of its proper divisors (11060815888).

11857048712 is a wasteful number, since it uses less digits than its factorization.

11857048712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149225 (or 149221 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 44.

The spelling of 11857048712 in words is "eleven billion, eight hundred fifty-seven million, forty-eight thousand, seven hundred twelve".