11801573216 has 24 divisors (see below), whose sum is σ = 23236776864. Its totient is φ = 5900169600.

The previous prime is 11801573197. The next prime is 11801573261. The reversal of 11801573216 is 61237510811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551126 + ... + 572138.

It is an arithmetic number, because the mean of its divisors is an integer number (968199036).

Almost surely, 2^11801573216 is an apocalyptic number.

11801573216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11801573216 is a deficient number, since it is larger than the sum of its proper divisors (11435203648).

11801573216 is a wasteful number, since it uses less digits than its factorization.

11801573216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38574 (or 38566 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 11801573216 in words is "eleven billion, eight hundred one million, five hundred seventy-three thousand, two hundred sixteen".