2536781205252 has 48 divisors (see below), whose sum is σ = 6947580967040. Its totient is φ = 705205585152.

The previous prime is 2536781205251. The next prime is 2536781205271. The reversal of 2536781205252 is 2525021876352.

It is not an unprimeable number, because it can be changed into a prime (2536781205251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408101977 + ... + 408108192.

Almost surely, 2^{2536781205252} is an apocalyptic number.

It is an amenable number.

2536781205252 is an abundant number, since it is smaller than the sum of its proper divisors (4410799761788).

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

2536781205252 is a wasteful number, since it uses less digits than its factorization.

2536781205252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816210220 (or 816210218 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 2536781205252 in words is "two trillion, five hundred thirty-six billion, seven hundred eighty-one million, two hundred five thousand, two hundred fifty-two".