1325431013125 has 40 divisors (see below), whose sum is σ = 1661802428000. Its totient is φ = 1056801816000.

The previous prime is 1325431013113. The next prime is 1325431013131. The reversal of 1325431013125 is 5213101345231.

It is not a de Polignac number, because 1325431013125 - 2¹⁷ = 1325430882053 is a prime.

It is a super-3 number, since 3×1325431013125³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 275383219 + ... + 275388031.

It is an arithmetic number, because the mean of its divisors is an integer number (41545060700).

Almost surely, 2^{1325431013125} is an apocalyptic number.

It is an amenable number.

1325431013125 is a deficient number, since it is larger than the sum of its proper divisors (336371414875).

1325431013125 is an frugal number, since it uses more digits than its factorization.

1325431013125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215 (or 6200 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1325431013125 its reverse (5213101345231), we get a palindrome (6538532358356).

The spelling of 1325431013125 in words is "one trillion, three hundred twenty-five billion, four hundred thirty-one million, thirteen thousand, one hundred twenty-five".