1452981582125 has 8 divisors (see below), whose sum is σ = 1813321014648. Its totient is φ = 1162385265600.

The previous prime is 1452981582121. The next prime is 1452981582211. The reversal of 1452981582125 is 5212851892541.

It can be written as a sum of positive squares in 4 ways, for example, as 28231392484 + 1424750189641 = 168022^2 + 1193629^2 .

It is not a de Polignac number, because 1452981582125 - 2² = 1452981582121 is a prime.

It is a super-2 number, since 2×1452981582125² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452981582121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811926204 + ... + 5811926453.

It is an arithmetic number, because the mean of its divisors is an integer number (226665126831).

Almost surely, 2^{1452981582125} is an apocalyptic number.

It is an amenable number.

1452981582125 is a deficient number, since it is larger than the sum of its proper divisors (360339432523).

1452981582125 is an equidigital number, since it uses as much as digits as its factorization.

1452981582125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11623852672 (or 11623852662 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 53.

The spelling of 1452981582125 in words is "one trillion, four hundred fifty-two billion, nine hundred eighty-one million, five hundred eighty-two thousand, one hundred twenty-five".