1180753442172 has 36 divisors (see below), whose sum is σ = 2984735216736. Its totient is φ = 393577504320.

The previous prime is 1180753442147. The next prime is 1180753442179. The reversal of 1180753442172 is 2712443570811.

It is a happy number.

1180753442172 is a `hidden beast` number, since 1 + 1 + 8 + 0 + 7 + 534 + 42 + 1 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180753442179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2020168 + ... + 2538224.

It is an arithmetic number, because the mean of its divisors is an integer number (82909311576).

Almost surely, 2^{1180753442172} is an apocalyptic number.

1180753442172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1180753442172 is an abundant number, since it is smaller than the sum of its proper divisors (1803981774564).

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

1180753442172 is a wasteful number, since it uses less digits than its factorization.

1180753442172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581378 (or 581373 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 1180753442172 in words is "one trillion, one hundred eighty billion, seven hundred fifty-three million, four hundred forty-two thousand, one hundred seventy-two".