2115502253 has 6 divisors (see below), whose sum is σ = 2247263946. Its totient is φ = 1991060672.

The previous prime is 2115502241. The next prime is 2115502327. The reversal of 2115502253 is 3522055112.

It can be written as a sum of positive squares in 3 ways, for example, as 1317835204 + 797667049 = 36302^2 + 28243^2 .

It is not a de Polignac number, because 2115502253 - 2²⁸ = 1847066797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115502223) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3659750 + ... + 3660327.

It is an arithmetic number, because the mean of its divisors is an integer number (374543991).

Almost surely, 2^2115502253 is an apocalyptic number.

It is an amenable number.

2115502253 is a deficient number, since it is larger than the sum of its proper divisors (131761693).

2115502253 is an equidigital number, since it uses as much as digits as its factorization.

2115502253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320111 (or 7320094 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2115502253 is about 45994.5893883183. The cubic root of 2115502253 is about 1283.7225320628.

Adding to 2115502253 its reverse (3522055112), we get a palindrome (5637557365).

The spelling of 2115502253 in words is "two billion, one hundred fifteen million, five hundred two thousand, two hundred fifty-three".