11222472871872 has 252 divisors, whose sum is σ = 33850147432920. Its totient is φ = 3550594489344.

The previous prime is 11222472871847. The next prime is 11222472871877. The reversal of 11222472871872 is 27817827422211.

11222472871872 is a `hidden beast` number, since 1 + 1 + 2 + 22 + 472 + 8 + 71 + 87 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222472871877) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58050123 + ... + 58243125.

Almost surely, 2^{11222472871872} is an apocalyptic number.

11222472871872 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 11222472871872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16925073716460).

11222472871872 is an abundant number, since it is smaller than the sum of its proper divisors (22627674561048).

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

11222472871872 is a wasteful number, since it uses less digits than its factorization.

11222472871872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193168 (or 193096 counting only the distinct ones).

The product of its digits is 2809856, while the sum is 54.

The spelling of 11222472871872 in words is "eleven trillion, two hundred twenty-two billion, four hundred seventy-two million, eight hundred seventy-one thousand, eight hundred seventy-two".