2115253575 has 48 divisors (see below), whose sum is σ = 3922248960. Its totient is φ = 1117553760.

The previous prime is 2115253571. The next prime is 2115253601. The reversal of 2115253575 is 5753525112.

2115253575 is a `hidden beast` number, since 2 + 1 + 1 + 52 + 535 + 75 = 666.

It is not a de Polignac number, because 2115253575 - 2² = 2115253571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115253571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57582 + ... + 86868.

It is an arithmetic number, because the mean of its divisors is an integer number (81713520).

Almost surely, 2^2115253575 is an apocalyptic number.

2115253575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2115253575 is a deficient number, since it is larger than the sum of its proper divisors (1806995385).

2115253575 is a wasteful number, since it uses less digits than its factorization.

2115253575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29413 (or 29402 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 2115253575 is about 45991.8859691576. The cubic root of 2115253575 is about 1283.6722294202.

Adding to 2115253575 its reverse (5753525112), we get a palindrome (7868778687).

The spelling of 2115253575 in words is "two billion, one hundred fifteen million, two hundred fifty-three thousand, five hundred seventy-five".