11617406472 has 48 divisors (see below), whose sum is σ = 33785318160. Its totient is φ = 3319258656.

The previous prime is 11617406459. The next prime is 11617406477. The reversal of 11617406472 is 27460471611.

It is a self number, because there is not a number n which added to its sum of digits gives 11617406472.

It is not an unprimeable number, because it can be changed into a prime (11617406477) 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, 4938198 + ... + 4940549.

It is an arithmetic number, because the mean of its divisors is an integer number (703860795).

Almost surely, 2^11617406472 is an apocalyptic number.

11617406472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11617406472 is an abundant number, since it is smaller than the sum of its proper divisors (22167911688).

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

11617406472 is a wasteful number, since it uses less digits than its factorization.

11617406472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9878770 (or 9878759 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 11617406472 in words is "eleven billion, six hundred seventeen million, four hundred six thousand, four hundred seventy-two".