11006957220 has 72 divisors (see below), whose sum is σ = 35851241664. Its totient is φ = 2515875264.

The previous prime is 11006957219. The next prime is 11006957261. The reversal of 11006957220 is 2275960011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1868992 + ... + 1874871.

It is an arithmetic number, because the mean of its divisors is an integer number (497933912).

Almost surely, 2^11006957220 is an apocalyptic number.

11006957220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11006957220 is an abundant number, since it is smaller than the sum of its proper divisors (24844284444).

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

11006957220 is a wasteful number, since it uses less digits than its factorization.

11006957220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743889 (or 3743880 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 11006957220 in words is "eleven billion, six million, nine hundred fifty-seven thousand, two hundred twenty".