2130515523 has 12 divisors (see below), whose sum is σ = 3078876528. Its totient is φ = 1419667440.

The previous prime is 2130515501. The next prime is 2130515573. The reversal of 2130515523 is 3255150312.

It is a happy number.

2130515523 is a `hidden beast` number, since 2 + 130 + 5 + 1 + 5 + 523 = 666.

It is not a de Polignac number, because 2130515523 - 2¹³ = 2130507331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2130515573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36015 + ... + 74552.

It is an arithmetic number, because the mean of its divisors is an integer number (256573044).

Almost surely, 2^2130515523 is an apocalyptic number.

2130515523 is a deficient number, since it is larger than the sum of its proper divisors (948361005).

2130515523 is a wasteful number, since it uses less digits than its factorization.

2130515523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112714 (or 112711 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2130515523 is about 46157.5077641763. The cubic root of 2130515523 is about 1286.7521451694.

Adding to 2130515523 its reverse (3255150312), we get a palindrome (5385665835).

It can be divided in two parts, 2130 and 515523, that added together give a triangular number (517653 = T₁₀₁₇).

The spelling of 2130515523 in words is "two billion, one hundred thirty million, five hundred fifteen thousand, five hundred twenty-three".