2501055515 has 16 divisors (see below), whose sum is σ = 3522724032. Its totient is φ = 1668657024.

The previous prime is 2501055457. The next prime is 2501055527. The reversal of 2501055515 is 5155501052.

It is a cyclic number.

It is not a de Polignac number, because 2501055515 - 2⁶ = 2501055451 is a prime.

It is a super-2 number, since 2×2501055515² = 12510557378223830450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964364 + ... + 966953.

It is an arithmetic number, because the mean of its divisors is an integer number (220170252).

Almost surely, 2^2501055515 is an apocalyptic number.

2501055515 is a deficient number, since it is larger than the sum of its proper divisors (1021668517).

2501055515 is a wasteful number, since it uses less digits than its factorization.

2501055515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931366.

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 2501055515 is about 50010.5540361232. The cubic root of 2501055515 is about 1357.3997886563.

Adding to 2501055515 its reverse (5155501052), we get a palindrome (7656556567).

The spelling of 2501055515 in words is "two billion, five hundred one million, fifty-five thousand, five hundred fifteen".