1173149538720 has 96 divisors (see below), whose sum is σ = 3695574093120. Its totient is φ = 312826920960.

The previous prime is 1173149538683. The next prime is 1173149538751. The reversal of 1173149538720 is 278359413711.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19063200 + ... + 19124640.

It is an arithmetic number, because the mean of its divisors is an integer number (38495563470).

Almost surely, 2^{1173149538720} is an apocalyptic number.

1173149538720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1173149538720 is an abundant number, since it is smaller than the sum of its proper divisors (2522424554400).

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

1173149538720 is a wasteful number, since it uses less digits than its factorization.

1173149538720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101238 (or 101230 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 1173149538720 in words is "one trillion, one hundred seventy-three billion, one hundred forty-nine million, five hundred thirty-eight thousand, seven hundred twenty".