11880320836572 has 36 divisors (see below), whose sum is σ = 31143063265496. Its totient is φ = 3960106945200.

The previous prime is 11880320836523. The next prime is 11880320836583. The reversal of 11880320836572 is 27563802308811.

11880320836572 is a `hidden beast` number, since 1 + 1 + 8 + 8 + 0 + 3 + 208 + 365 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11880320836572² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6111275179 + ... + 6111277122.

Almost surely, 2^{11880320836572} is an apocalyptic number.

11880320836572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11880320836572 is an abundant number, since it is smaller than the sum of its proper divisors (19262742428924).

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

11880320836572 is a wasteful number, since it uses less digits than its factorization.

11880320836572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222552320 (or 12222552306 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 11880320836572 in words is "eleven trillion, eight hundred eighty billion, three hundred twenty million, eight hundred thirty-six thousand, five hundred seventy-two".