2521116315 has 48 divisors (see below), whose sum is σ = 4454461440. Its totient is φ = 1318697280.

The previous prime is 2521116277. The next prime is 2521116317. The reversal of 2521116315 is 5136111252.

2521116315 is a `hidden beast` number, since 2 + 5 + 21 + 1 + 1 + 631 + 5 = 666.

2521116315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2521116315 - 2⁹ = 2521115803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2521116317) 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, 1515174 + ... + 1516836.

It is an arithmetic number, because the mean of its divisors is an integer number (92801280).

Almost surely, 2^2521116315 is an apocalyptic number.

2521116315 is a deficient number, since it is larger than the sum of its proper divisors (1933345125).

2521116315 is a wasteful number, since it uses less digits than its factorization.

2521116315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304 (or 2301 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 2521116315 is about 50210.7191245057. The cubic root of 2521116315 is about 1361.0193329475.

Adding to 2521116315 its reverse (5136111252), we get a palindrome (7657227567).

The spelling of 2521116315 in words is "two billion, five hundred twenty-one million, one hundred sixteen thousand, three hundred fifteen".