1351331851024 has 15 divisors (see below), whose sum is σ = 2618214470517. Its totient is φ = 675663600576.

The previous prime is 1351331851013. The next prime is 1351331851069. The reversal of 1351331851024 is 4201581331531.

The square root of 1351331851024 is 1162468.

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., 688136611600 + 663195239424 = 829540^2 + 814368^2 .

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 2 ways as a sum of consecutive naturals, for example, 4504564 + ... + 4795180.

Almost surely, 2^{1351331851024} is an apocalyptic number.

1351331851024 is the 1162468-th square number.

It is an amenable number.

1351331851024 is a deficient number, since it is larger than the sum of its proper divisors (1266882619493).

1351331851024 is an frugal number, since it uses more digits than its factorization.

1351331851024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581242 (or 290619 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 1351331851024 in words is "one trillion, three hundred fifty-one billion, three hundred thirty-one million, eight hundred fifty-one thousand, twenty-four".