11841172452 has 72 divisors (see below), whose sum is σ = 31711680000. Its totient is φ = 3712635648.

The previous prime is 11841172423. The next prime is 11841172459. The reversal of 11841172452 is 25427114811.

11841172452 is a `hidden beast` number, since 11 + 84 + 117 + 2 + 452 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (11841172459) 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, 1218549 + ... + 1228227.

It is an arithmetic number, because the mean of its divisors is an integer number (440440000).

Almost surely, 2^11841172452 is an apocalyptic number.

11841172452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11841172452 is an abundant number, since it is smaller than the sum of its proper divisors (19870507548).

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

11841172452 is a wasteful number, since it uses less digits than its factorization.

11841172452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705 (or 11700 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The spelling of 11841172452 in words is "eleven billion, eight hundred forty-one million, one hundred seventy-two thousand, four hundred fifty-two".