2054115515 has 16 divisors (see below), whose sum is σ = 2477164032. Its totient is φ = 1635165024.

The previous prime is 2054115499. The next prime is 2054115529. The reversal of 2054115515 is 5155114502.

It is a cyclic number.

It is not a de Polignac number, because 2054115515 - 2⁴ = 2054115499 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 15 ways as a sum of consecutive naturals, for example, 1076192 + ... + 1078098.

It is an arithmetic number, because the mean of its divisors is an integer number (154822752).

Almost surely, 2^2054115515 is an apocalyptic number.

2054115515 is a deficient number, since it is larger than the sum of its proper divisors (423048517).

2054115515 is a wasteful number, since it uses less digits than its factorization.

2054115515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 2054115515 is about 45322.3511636367. The cubic root of 2054115515 is about 1271.1836186807.

The spelling of 2054115515 in words is "two billion, fifty-four million, one hundred fifteen thousand, five hundred fifteen".