11803451239872 has 112 divisors (see below), whose sum is σ = 34706405893120. Its totient is φ = 3933752967936.

The previous prime is 11803451239667. The next prime is 11803451239883. The reversal of 11803451239872 is 27893215430811.

11803451239872 is a `hidden beast` number, since 1 + 1 + 8 + 0 + 34 + 512 + 3 + 98 + 7 + 2 = 666.

It is a super-2 number, since 2×11803451239872² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8711643 + ... + 9974949.

Almost surely, 2^{11803451239872} is an apocalyptic number.

11803451239872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11803451239872 is an abundant number, since it is smaller than the sum of its proper divisors (22902954653248).

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

11803451239872 is a wasteful number, since it uses less digits than its factorization.

11803451239872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268735 (or 1268719 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 11803451239872 in words is "eleven trillion, eight hundred three billion, four hundred fifty-one million, two hundred thirty-nine thousand, eight hundred seventy-two".