1118236872672 has 72 divisors (see below), whose sum is σ = 3318246391824. Its totient is φ = 356539290624.

The previous prime is 1118236872629. The next prime is 1118236872703. The reversal of 1118236872672 is 2762786328111.

1118236872672 is a `hidden beast` number, since 1 + 1 + 18 + 2 + 368 + 7 + 267 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84401353 + ... + 84414600.

It is an arithmetic number, because the mean of its divisors is an integer number (46086755442).

Almost surely, 2^{1118236872672} is an apocalyptic number.

1118236872672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1118236872672 is an abundant number, since it is smaller than the sum of its proper divisors (2200009519152).

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

1118236872672 is a wasteful number, since it uses less digits than its factorization.

1118236872672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168815992 (or 168815981 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 1118236872672 in words is "one trillion, one hundred eighteen billion, two hundred thirty-six million, eight hundred seventy-two thousand, six hundred seventy-two".