2555225515 has 8 divisors (see below), whose sum is σ = 3066679728. Its totient is φ = 2043907680.

The previous prime is 2555225509. The next prime is 2555225527. The reversal of 2555225515 is 5155225552.

2555225515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2555225515 - 2⁵ = 2555225483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13060 + ... + 72670.

It is an arithmetic number, because the mean of its divisors is an integer number (383334966).

Almost surely, 2^2555225515 is an apocalyptic number.

2555225515 is a deficient number, since it is larger than the sum of its proper divisors (511454213).

2555225515 is an equidigital number, since it uses as much as digits as its factorization.

2555225515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68189.

The product of its digits is 125000, while the sum is 37.

The square root of 2555225515 is about 50549.2385204763. The cubic root of 2555225515 is about 1367.1297849134.

Adding to 2555225515 its sum of digits (37), we get a palindrome (2555225552).

The spelling of 2555225515 in words is "two billion, five hundred fifty-five million, two hundred twenty-five thousand, five hundred fifteen".