11658822372 has 48 divisors (see below), whose sum is σ = 30929532480. Its totient is φ = 3795894144.

The previous prime is 11658822367. The next prime is 11658822379. The reversal of 11658822372 is 27322885611.

11658822372 is a `hidden beast` number, since 1 + 16 + 588 + 22 + 37 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (11658822379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250613 + ... + 1259900.

It is an arithmetic number, because the mean of its divisors is an integer number (644365260).

Almost surely, 2^11658822372 is an apocalyptic number.

11658822372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11658822372 is an abundant number, since it is smaller than the sum of its proper divisors (19270710108).

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

11658822372 is a wasteful number, since it uses less digits than its factorization.

11658822372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510569 (or 2510561 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 11658822372 in words is "eleven billion, six hundred fifty-eight million, eight hundred twenty-two thousand, three hundred seventy-two".