2521245013245 has 80 divisors (see below), whose sum is σ = 5165815108608. Its totient is φ = 1152435755520.

The previous prime is 2521245013187. The next prime is 2521245013277. The reversal of 2521245013245 is 5423105421252.

2521245013245 is a `hidden beast` number, since 2 + 5 + 2 + 124 + 501 + 3 + 24 + 5 = 666.

It is not a de Polignac number, because 2521245013245 - 2⁸ = 2521245012989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26945332 + ... + 27038738.

Almost surely, 2^{2521245013245} is an apocalyptic number.

It is an amenable number.

2521245013245 is an abundant number, since it is smaller than the sum of its proper divisors (2644570095363).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2521245013245 is an equidigital number, since it uses as much as digits as its factorization.

2521245013245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102952 (or 102943 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 2521245013245 in words is "two trillion, five hundred twenty-one billion, two hundred forty-five million, thirteen thousand, two hundred forty-five".