1145176772992 has 32 divisors (see below), whose sum is σ = 2607322119120. Its totient is φ = 490790045184.

The previous prime is 1145176772969. The next prime is 1145176773023. The reversal of 1145176772992 is 2992776715411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1145176772992² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145176772992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639048643 + ... + 639050434.

Almost surely, 2^{1145176772992} is an apocalyptic number.

It is an amenable number.

1145176772992 is an abundant number, since it is smaller than the sum of its proper divisors (1462145346128).

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

1145176772992 is an equidigital number, since it uses as much as digits as its factorization.

1145176772992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278099098 (or 1278099086 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 61.

The spelling of 1145176772992 in words is "one trillion, one hundred forty-five billion, one hundred seventy-six million, seven hundred seventy-two thousand, nine hundred ninety-two".