11683771657488 has 120 divisors (see below), whose sum is σ = 37529908610688. Its totient is φ = 3323893280256.

The previous prime is 11683771657483. The next prime is 11683771657511. The reversal of 11683771657488 is 88475617738611.

It is a happy number.

11683771657488 is a `hidden beast` number, since 1 + 1 + 6 + 8 + 37 + 7 + 16 + 574 + 8 + 8 = 666.

It is a hoax number, since the sum of its digits (72) 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 (72).

It is not an unprimeable number, because it can be changed into a prime (11683771657483) 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, 24638620 + ... + 25108347.

Almost surely, 2^{11683771657488} is an apocalyptic number.

11683771657488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11683771657488 is an abundant number, since it is smaller than the sum of its proper divisors (25846136953200).

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

11683771657488 is a wasteful number, since it uses less digits than its factorization.

11683771657488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49747221 (or 49747212 counting only the distinct ones).

The product of its digits is 379330560, while the sum is 72.

The spelling of 11683771657488 in words is "eleven trillion, six hundred eighty-three billion, seven hundred seventy-one million, six hundred fifty-seven thousand, four hundred eighty-eight".