2513243055520 has 48 divisors (see below), whose sum is σ = 5942796257160. Its totient is φ = 1004406718464.

The previous prime is 2513243055511. The next prime is 2513243055539. The reversal of 2513243055520 is 255503423152.

It can be written as a sum of positive squares in 4 ways, for example, as 521994690064 + 1991248365456 = 722492^2 + 1411116^2 .

It is a super-2 number, since 2×2513243055520² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2513243055520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6775857 + ... + 7137136.

Almost surely, 2^{2513243055520} is an apocalyptic number.

2513243055520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513243055520 is an abundant number, since it is smaller than the sum of its proper divisors (3429553201640).

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

2513243055520 is a wasteful number, since it uses less digits than its factorization.

2513243055520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13914137 (or 13914129 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 2513243055520 its reverse (255503423152), we get a palindrome (2768746478672).

The spelling of 2513243055520 in words is "two trillion, five hundred thirteen billion, two hundred forty-three million, fifty-five thousand, five hundred twenty".