2605525610780 has 24 divisors (see below), whose sum is σ = 5476099810608. Its totient is φ = 1041353858048.

The previous prime is 2605525610767. The next prime is 2605525610789. The reversal of 2605525610780 is 870165255062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605525610789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53499194 + ... + 53547873.

It is an arithmetic number, because the mean of its divisors is an integer number (228170825442).

Almost surely, 2^{2605525610780} is an apocalyptic number.

2605525610780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605525610780 is an abundant number, since it is smaller than the sum of its proper divisors (2870574199828).

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

2605525610780 is a wasteful number, since it uses less digits than its factorization.

2605525610780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107048293 (or 107048291 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 2605525610780 in words is "two trillion, six hundred five billion, five hundred twenty-five million, six hundred ten thousand, seven hundred eighty".