1313425633520 has 160 divisors (see below), whose sum is σ = 4100092577280. Its totient is φ = 377888670720.

The previous prime is 1313425633517. The next prime is 1313425633529. The reversal of 1313425633520 is 253365243131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313425633529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8120630 + ... + 8280789.

It is an arithmetic number, because the mean of its divisors is an integer number (25625578608).

Almost surely, 2^{1313425633520} is an apocalyptic number.

1313425633520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313425633520 is an abundant number, since it is smaller than the sum of its proper divisors (2786666943760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313425633520 is a wasteful number, since it uses less digits than its factorization.

1313425633520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16401463 (or 16401457 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 1313425633520 in words is "one trillion, three hundred thirteen billion, four hundred twenty-five million, six hundred thirty-three thousand, five hundred twenty".