1173272508672 has 144 divisors (see below), whose sum is σ = 3462335688000. Its totient is φ = 349708492800.

The previous prime is 1173272508647. The next prime is 1173272508719. The reversal of 1173272508672 is 2768052723711.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 623047 + ... + 1653702.

Almost surely, 2^{1173272508672} is an apocalyptic number.

1173272508672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1173272508672 is an abundant number, since it is smaller than the sum of its proper divisors (2289063179328).

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

1173272508672 is a wasteful number, since it uses less digits than its factorization.

1173272508672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276840 (or 2276826 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 1173272508672 in words is "one trillion, one hundred seventy-three billion, two hundred seventy-two million, five hundred eight thousand, six hundred seventy-two".