11857108734 has 24 divisors (see below), whose sum is σ = 26316999072. Its totient is φ = 3855970080.

The previous prime is 11857108733. The next prime is 11857108793. The reversal of 11857108734 is 43780175811.

11857108734 is a `hidden beast` number, since 1 + 1 + 8 + 571 + 0 + 8 + 73 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11857108734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11857108733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8032534 + ... + 8034009.

It is an arithmetic number, because the mean of its divisors is an integer number (1096541628).

Almost surely, 2^11857108734 is an apocalyptic number.

11857108734 is an abundant number, since it is smaller than the sum of its proper divisors (14459890338).

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

11857108734 is a wasteful number, since it uses less digits than its factorization.

11857108734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16066592 (or 16066589 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 11857108734 in words is "eleven billion, eight hundred fifty-seven million, one hundred eight thousand, seven hundred thirty-four".