1351045899025 has 27 divisors (see below), whose sum is σ = 1731312908283. Its totient is φ = 1045831537200.

The previous prime is 1351045899013. The next prime is 1351045899031. The reversal of 1351045899025 is 5209985401531.

The square root of 1351045899025 is 1162345.

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., 486376523649 + 864669375376 = 697407^2 + 929876^2 .

It is not a de Polignac number, because 1351045899025 - 2²¹ = 1351043801873 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 180159726 + ... + 180167224.

Almost surely, 2^{1351045899025} is an apocalyptic number.

1351045899025 is the 1162345-th square number.

1351045899025 is the 581173-rd centered octagonal number.

It is an amenable number.

1351045899025 is a deficient number, since it is larger than the sum of its proper divisors (380267009258).

1351045899025 is an frugal number, since it uses more digits than its factorization.

1351045899025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070 (or 7535 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 52.

The spelling of 1351045899025 in words is "one trillion, three hundred fifty-one billion, forty-five million, eight hundred ninety-nine thousand, twenty-five".