1451241855625 has 15 divisors (see below), whose sum is σ = 1813509457617. Its totient is φ = 1160969391000.

The previous prime is 1451241855611. The next prime is 1451241855631. The reversal of 1451241855625 is 5265581421541.

The square root of 1451241855625 is 1204675.

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

It can be written as a sum of positive squares in 2 ways, for example, as 113777361481 + 1337464494144 = 337309^2 + 1156488^2 .

It is not a de Polignac number, because 1451241855625 - 2¹⁷ = 1451241724553 is a prime.

It is a super-2 number, since 2×1451241855625² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 30092782 + ... + 30140968.

Almost surely, 2^{1451241855625} is an apocalyptic number.

1451241855625 is the 1204675-th square number.

1451241855625 is the 602338-th centered octagonal number.

It is an amenable number.

1451241855625 is a deficient number, since it is larger than the sum of its proper divisors (362267601992).

1451241855625 is an frugal number, since it uses more digits than its factorization.

1451241855625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96394 (or 48192 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 49.

Multiplying 1451241855625 by its sum of digits (49), we get a square (71110850925625 = 8432725²).

The spelling of 1451241855625 in words is "one trillion, four hundred fifty-one billion, two hundred forty-one million, eight hundred fifty-five thousand, six hundred twenty-five".