11688658470 has 24 divisors (see below), whose sum is σ = 30390512256. Its totient is φ = 3116975568.

The previous prime is 11688658453. The next prime is 11688658477. The reversal of 11688658470 is 7485688611.

It is a happy number.

11688658470 is a `hidden beast` number, since 1 + 168 + 8 + 6 + 5 + 8 + 470 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11688658477) 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, 64936902 + ... + 64937081.

It is an arithmetic number, because the mean of its divisors is an integer number (1266271344).

Almost surely, 2^11688658470 is an apocalyptic number.

11688658470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11688658470 is an abundant number, since it is smaller than the sum of its proper divisors (18701853786).

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

11688658470 is a wasteful number, since it uses less digits than its factorization.

11688658470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129873996 (or 129873993 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 11688658470 in words is "eleven billion, six hundred eighty-eight million, six hundred fifty-eight thousand, four hundred seventy".