11787748616 has 64 divisors (see below), whose sum is σ = 25453008000. Its totient is φ = 5013338112.

The previous prime is 11787748547. The next prime is 11787748669. The reversal of 11787748616 is 61684778711.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4435160 + ... + 4437816.

It is an arithmetic number, because the mean of its divisors is an integer number (397703250).

Almost surely, 2^11787748616 is an apocalyptic number.

It is an amenable number.

11787748616 is an abundant number, since it is smaller than the sum of its proper divisors (13665259384).

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

11787748616 is a wasteful number, since it uses less digits than its factorization.

11787748616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246 (or 3242 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 56.

The spelling of 11787748616 in words is "eleven billion, seven hundred eighty-seven million, seven hundred forty-eight thousand, six hundred sixteen".