11532772120 has 32 divisors (see below), whose sum is σ = 27475135200. Its totient is φ = 4341749248.

The previous prime is 11532772099. The next prime is 11532772177. The reversal of 11532772120 is 2127723511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8479300 + ... + 8480659.

It is an arithmetic number, because the mean of its divisors is an integer number (858597975).

Almost surely, 2^11532772120 is an apocalyptic number.

11532772120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532772120 is an abundant number, since it is smaller than the sum of its proper divisors (15942363080).

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

11532772120 is a wasteful number, since it uses less digits than its factorization.

11532772120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16959987 (or 16959983 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The spelling of 11532772120 in words is "eleven billion, five hundred thirty-two million, seven hundred seventy-two thousand, one hundred twenty".