2505555252780 has 24 divisors (see below), whose sum is σ = 7015554707952. Its totient is φ = 668148067392.

The previous prime is 2505555252773. The next prime is 2505555252799. The reversal of 2505555252780 is 872525555052.

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, 20879627047 + ... + 20879627166.

It is an arithmetic number, because the mean of its divisors is an integer number (292314779498).

Almost surely, 2^{2505555252780} is an apocalyptic number.

2505555252780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505555252780 is an abundant number, since it is smaller than the sum of its proper divisors (4509999455172).

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

2505555252780 is a wasteful number, since it uses less digits than its factorization.

2505555252780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41759254225 (or 41759254223 counting only the distinct ones).

The product of its (nonzero) digits is 7000000, while the sum is 51.

The spelling of 2505555252780 in words is "two trillion, five hundred five billion, five hundred fifty-five million, two hundred fifty-two thousand, seven hundred eighty".