1315101255515 has 4 divisors (see below), whose sum is σ = 1578121506624. Its totient is φ = 1052081004408.

The previous prime is 1315101255491. The next prime is 1315101255541. The reversal of 1315101255515 is 5155521015131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1315101255515 - 2⁶ = 1315101255451 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 131510125547 + ... + 131510125556.

It is an arithmetic number, because the mean of its divisors is an integer number (394530376656).

Almost surely, 2^{1315101255515} is an apocalyptic number.

1315101255515 is a deficient number, since it is larger than the sum of its proper divisors (263020251109).

1315101255515 is an equidigital number, since it uses as much as digits as its factorization.

1315101255515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263020251108.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 1315101255515 in words is "one trillion, three hundred fifteen billion, one hundred one million, two hundred fifty-five thousand, five hundred fifteen".