2515155505 has 8 divisors (see below), whose sum is σ = 3059532072. Its totient is φ = 1984560768.

The previous prime is 2515155497. The next prime is 2515155541. The reversal of 2515155505 is 5055515152.

2515155505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 388838961 + 2126316544 = 19719^2 + 46112^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2515155505 - 2³ = 2515155497 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, 3445054 + ... + 3445783.

It is an arithmetic number, because the mean of its divisors is an integer number (382441509).

Almost surely, 2^2515155505 is an apocalyptic number.

It is an amenable number.

2515155505 is a deficient number, since it is larger than the sum of its proper divisors (544376567).

2515155505 is an equidigital number, since it uses as much as digits as its factorization.

2515155505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890915.

The product of its (nonzero) digits is 31250, while the sum is 34.

The square root of 2515155505 is about 50151.3260542530. The cubic root of 2515155505 is about 1359.9458428910.

It can be divided in two parts, 25151 and 55505, that added together give a square (80656 = 284²).

The spelling of 2515155505 in words is "two billion, five hundred fifteen million, one hundred fifty-five thousand, five hundred five".