11876135778 has 48 divisors (see below), whose sum is σ = 28101318336. Its totient is φ = 3602723040.

The previous prime is 11876135771. The next prime is 11876135779. The reversal of 11876135778 is 87753167811.

11876135778 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 61 + 3 + 577 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (11876135771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340800 + ... + 374027.

It is an arithmetic number, because the mean of its divisors is an integer number (585444132).

Almost surely, 2^11876135778 is an apocalyptic number.

11876135778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11876135778 is an abundant number, since it is smaller than the sum of its proper divisors (16225182558).

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

11876135778 is a wasteful number, since it uses less digits than its factorization.

11876135778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714919 (or 714916 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 54.

The spelling of 11876135778 in words is "eleven billion, eight hundred seventy-six million, one hundred thirty-five thousand, seven hundred seventy-eight".