1313403655025 has 96 divisors (see below), whose sum is σ = 2074033920000. Its totient is φ = 817912468800.

The previous prime is 1313403654949. The next prime is 1313403655051. The reversal of 1313403655025 is 5205563043131.

It is not a de Polignac number, because 1313403655025 - 2¹⁰ = 1313403654001 is a prime.

It is a super-2 number, since 2×1313403655025² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313403655025.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 100260926 + ... + 100274024.

It is an arithmetic number, because the mean of its divisors is an integer number (21604520000).

Almost surely, 2^{1313403655025} is an apocalyptic number.

It is an amenable number.

1313403655025 is a deficient number, since it is larger than the sum of its proper divisors (760630264975).

1313403655025 is a wasteful number, since it uses less digits than its factorization.

1313403655025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14204 (or 14185 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 1313403655025 its reverse (5205563043131), we get a palindrome (6518966698156).

The spelling of 1313403655025 in words is "one trillion, three hundred thirteen billion, four hundred three million, six hundred fifty-five thousand, twenty-five".