1252415240515 has 4 divisors (see below), whose sum is σ = 1502898288624. Its totient is φ = 1001932192408.

The previous prime is 1252415240497. The next prime is 1252415240521. The reversal of 1252415240515 is 5150425142521.

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 1252415240515 - 2²⁷ = 1252281022787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125241524047 + ... + 125241524056.

It is an arithmetic number, because the mean of its divisors is an integer number (375724572156).

Almost surely, 2^{1252415240515} is an apocalyptic number.

1252415240515 is a deficient number, since it is larger than the sum of its proper divisors (250483048109).

1252415240515 is an equidigital number, since it uses as much as digits as its factorization.

1252415240515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250483048108.

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 1252415240515 in words is "one trillion, two hundred fifty-two billion, four hundred fifteen million, two hundred forty thousand, five hundred fifteen".