2115532570 has 16 divisors (see below), whose sum is σ = 3820130280. Its totient is φ = 843508224.

The previous prime is 2115532519. The next prime is 2115532579. The reversal of 2115532570 is 752355112.

It can be written as a sum of positive squares in 4 ways, for example, as 1527324561 + 588208009 = 39081^2 + 24253^2 .

It is not an unprimeable number, because it can be changed into a prime (2115532579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334815 + ... + 341074.

Almost surely, 2^2115532570 is an apocalyptic number.

2115532570 is a deficient number, since it is larger than the sum of its proper divisors (1704597710).

2115532570 is a wasteful number, since it uses less digits than its factorization.

2115532570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676209.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 2115532570 is about 45994.9189585111. The cubic root of 2115532570 is about 1283.7286643229.

Adding to 2115532570 its reverse (752355112), we get a palindrome (2867887682).

The spelling of 2115532570 in words is "two billion, one hundred fifteen million, five hundred thirty-two thousand, five hundred seventy".