1154451555072 has 108 divisors (see below), whose sum is σ = 3374165757144. Its totient is φ = 379545661440.

The previous prime is 1154451555071. The next prime is 1154451555083. The reversal of 1154451555072 is 2705551544511.

1154451555072 is a `hidden beast` number, since 1 + 1 + 5 + 44 + 51 + 5 + 550 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1154451555071) 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, 3263754 + ... + 3600137.

Almost surely, 2^{1154451555072} is an apocalyptic number.

1154451555072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1154451555072 is an abundant number, since it is smaller than the sum of its proper divisors (2219714202072).

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

1154451555072 is an equidigital number, since it uses as much as digits as its factorization.

1154451555072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863986 (or 6863969 counting only the distinct ones).

The product of its (nonzero) digits is 700000, while the sum is 45.

The spelling of 1154451555072 in words is "one trillion, one hundred fifty-four billion, four hundred fifty-one million, five hundred fifty-five thousand, seventy-two".