2513542132520 has 32 divisors (see below), whose sum is σ = 5988144493800. Its totient is φ = 946274684928.

The previous prime is 2513542132499. The next prime is 2513542132547. The reversal of 2513542132520 is 252312453152.

It can be written as a sum of positive squares in 4 ways, for example, as 1637023009444 + 876519123076 = 1279462^2 + 936226^2 .

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, 1848192065 + ... + 1848193424.

Almost surely, 2^{2513542132520} is an apocalyptic number.

2513542132520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513542132520 is an abundant number, since it is smaller than the sum of its proper divisors (3474602361280).

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

2513542132520 is a wasteful number, since it uses less digits than its factorization.

2513542132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696385517 (or 3696385513 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 2513542132520 its reverse (252312453152), we get a palindrome (2765854585672).

The spelling of 2513542132520 in words is "two trillion, five hundred thirteen billion, five hundred forty-two million, one hundred thirty-two thousand, five hundred twenty".