11107571712 has 96 divisors (see below), whose sum is σ = 30031223040. Its totient is φ = 3650232320.

The previous prime is 11107571701. The next prime is 11107571729. The reversal of 11107571712 is 21717570111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11107571712² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 423493 + ... + 448955.

It is an arithmetic number, because the mean of its divisors is an integer number (312825240).

Almost surely, 2^11107571712 is an apocalyptic number.

11107571712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11107571712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15015611520).

11107571712 is an abundant number, since it is smaller than the sum of its proper divisors (18923651328).

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

11107571712 is an equidigital number, since it uses as much as digits as its factorization.

11107571712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25559 (or 25539 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 33.

The spelling of 11107571712 in words is "eleven billion, one hundred seven million, five hundred seventy-one thousand, seven hundred twelve".