1154560995025 has 27 divisors (see below), whose sum is σ = 1438355381979. Its totient is φ = 919346478000.

The previous prime is 1154560994911. The next prime is 1154560995061. The reversal of 1154560995025 is 5205990654511.

It is a happy number.

The square root of 1154560995025 is 1074505.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 415641958209 + 738919036816 = 644703^2 + 859604^2 .

It is not a de Polignac number, because 1154560995025 - 2²⁵ = 1154527440593 is a prime.

It is a super-2 number, since 2×1154560995025² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1670854930 + ... + 1670855620.

Almost surely, 2^{1154560995025} is an apocalyptic number.

1154560995025 is the 1074505-th square number.

1154560995025 is the 537253-rd centered octagonal number.

It is an amenable number.

1154560995025 is a deficient number, since it is larger than the sum of its proper divisors (283794386954).

1154560995025 is an frugal number, since it uses more digits than its factorization.

1154560995025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 52.

The spelling of 1154560995025 in words is "one trillion, one hundred fifty-four billion, five hundred sixty million, nine hundred ninety-five thousand, twenty-five".