1373291015625 has 51 divisors (see below), whose sum is σ = 2479553222653. Its totient is φ = 732421875000.

The previous prime is 1373291015573. The next prime is 1373291015647. The reversal of 1373291015625 is 5265101923731.

The square root of 1373291015625 is 1171875.

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

1373291015625 is a `hidden beast` number, since 1 + 3 + 7 + 3 + 2 + 9 + 1 + 0 + 15 + 625 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 244529261001 + 1128761754624 = 494499^2 + 1062432^2 .

It is not a de Polignac number, because 1373291015625 - 2³³ = 1364701081033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 50 ways as a sum of consecutive naturals, for example, 274658203123 + ... + 274658203127.

Almost surely, 2^{1373291015625} is an apocalyptic number.

1373291015625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1373291015625 is the 1171875-th square number.

1373291015625 is the 585938-th centered octagonal number.

It is an amenable number.

1373291015625 is a deficient number, since it is larger than the sum of its proper divisors (1106262207028).

1373291015625 is an frugal number, since it uses more digits than its factorization.

1373291015625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 8 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

1373291015625 divided by its sum of digits (45) gives a 15-th power (30517578125 = 5¹⁵).

The spelling of 1373291015625 in words is "one trillion, three hundred seventy-three billion, two hundred ninety-one million, fifteen thousand, six hundred twenty-five".