11982114172 has 72 divisors (see below), whose sum is σ = 26108436480. Its totient is φ = 4707862560.

The previous prime is 11982114139. The next prime is 11982114173. The reversal of 11982114172 is 27141128911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982114173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294229 + ... + 332467.

Almost surely, 2^11982114172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11982114172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13054218240).

11982114172 is an abundant number, since it is smaller than the sum of its proper divisors (14126322308).

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

11982114172 is a wasteful number, since it uses less digits than its factorization.

11982114172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38319 (or 38298 counting only the distinct ones).

The product of its digits is 8064, while the sum is 37.

The spelling of 11982114172 in words is "eleven billion, nine hundred eighty-two million, one hundred fourteen thousand, one hundred seventy-two".