260245515515 has 4 divisors (see below), whose sum is σ = 312294618624. Its totient is φ = 208196412408.

The previous prime is 260245515503. The next prime is 260245515521. The reversal of 260245515515 is 515515542062.

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 260245515515 - 2⁶ = 260245515451 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, 26024551547 + ... + 26024551556.

It is an arithmetic number, because the mean of its divisors is an integer number (78073654656).

Almost surely, 2^260245515515 is an apocalyptic number.

260245515515 is a deficient number, since it is larger than the sum of its proper divisors (52049103109).

260245515515 is an equidigital number, since it uses as much as digits as its factorization.

260245515515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52049103108.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 260245515515 in words is "two hundred sixty billion, two hundred forty-five million, five hundred fifteen thousand, five hundred fifteen".