11572077607720 has 128 divisors (see below), whose sum is σ = 30056649315840. Its totient is φ = 3927671193600.

The previous prime is 11572077607711. The next prime is 11572077607729. The reversal of 11572077607720 is 2770677027511.

It is an interprime number because it is at equal distance from previous prime (11572077607711) and next prime (11572077607729).

It is not an unprimeable number, because it can be changed into a prime (11572077607729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25817520 + ... + 26261920.

It is an arithmetic number, because the mean of its divisors is an integer number (234817572780).

Almost surely, 2^{11572077607720} is an apocalyptic number.

11572077607720 is a gapful number since it is divisible by the number (10) 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 11572077607720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15028324657920).

11572077607720 is an abundant number, since it is smaller than the sum of its proper divisors (18484571708120).

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

11572077607720 is a wasteful number, since it uses less digits than its factorization.

11572077607720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445355 (or 445351 counting only the distinct ones).

The product of its (nonzero) digits is 2016840, while the sum is 52.

The spelling of 11572077607720 in words is "eleven trillion, five hundred seventy-two billion, seventy-seven million, six hundred seven thousand, seven hundred twenty".