11207071571220 has 96 divisors (see below), whose sum is σ = 39847365600000. Its totient is φ = 2561616358272.

The previous prime is 11207071571203. The next prime is 11207071571239. The reversal of 11207071571220 is 2217517070211.

It is a happy number.

11207071571220 is a `hidden beast` number, since 1 + 12 + 0 + 7 + 0 + 71 + 571 + 2 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1482413095 + ... + 1482420654.

It is an arithmetic number, because the mean of its divisors is an integer number (415076725000).

Almost surely, 2^{11207071571220} is an apocalyptic number.

11207071571220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11207071571220 is an abundant number, since it is smaller than the sum of its proper divisors (28640294028780).

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

11207071571220 is a wasteful number, since it uses less digits than its factorization.

11207071571220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964833774 (or 2964833766 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 36.

The spelling of 11207071571220 in words is "eleven trillion, two hundred seven billion, seventy-one million, five hundred seventy-one thousand, two hundred twenty".