2155560011515 has 16 divisors (see below), whose sum is σ = 2592255156480. Its totient is φ = 1720726426240.

The previous prime is 2155560011497. The next prime is 2155560011581. The reversal of 2155560011515 is 5151100655512.

It is not a de Polignac number, because 2155560011515 - 2¹¹ = 2155560009467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51033105 + ... + 51075325.

It is an arithmetic number, because the mean of its divisors is an integer number (162015947280).

Almost surely, 2^{2155560011515} is an apocalyptic number.

2155560011515 is a deficient number, since it is larger than the sum of its proper divisors (436695144965).

2155560011515 is a wasteful number, since it uses less digits than its factorization.

2155560011515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64022.

The product of its (nonzero) digits is 37500, while the sum is 37.

The spelling of 2155560011515 in words is "two trillion, one hundred fifty-five billion, five hundred sixty million, eleven thousand, five hundred fifteen".