11031573372 has 24 divisors (see below), whose sum is σ = 25821546576. Its totient is φ = 3665589888.

The previous prime is 11031573341. The next prime is 11031573391. The reversal of 11031573372 is 27337513011.

It is a super-2 number, since 2×11031573372² (a number of 21 digits) contains 22 as substring.

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, 1446193 + ... + 1453800.

It is an arithmetic number, because the mean of its divisors is an integer number (1075897774).

Almost surely, 2^11031573372 is an apocalyptic number.

11031573372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11031573372 is an abundant number, since it is smaller than the sum of its proper divisors (14789973204).

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

11031573372 is a wasteful number, since it uses less digits than its factorization.

11031573372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900317 (or 2900315 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The spelling of 11031573372 in words is "eleven billion, thirty-one million, five hundred seventy-three thousand, three hundred seventy-two".