1313621251415 has 8 divisors (see below), whose sum is σ = 1719649638288. Its totient is φ = 955360910080.

The previous prime is 1313621251367. The next prime is 1313621251429. The reversal of 1313621251415 is 5141521263131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313621251415 - 2³⁰ = 1312547509591 is a prime.

It is a super-2 number, since 2×1313621251415² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11942011322 + ... + 11942011431.

It is an arithmetic number, because the mean of its divisors is an integer number (214956204786).

Almost surely, 2^{1313621251415} is an apocalyptic number.

1313621251415 is a deficient number, since it is larger than the sum of its proper divisors (406028386873).

1313621251415 is a wasteful number, since it uses less digits than its factorization.

1313621251415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23884022769.

The product of its digits is 21600, while the sum is 35.

The spelling of 1313621251415 in words is "one trillion, three hundred thirteen billion, six hundred twenty-one million, two hundred fifty-one thousand, four hundred fifteen".