2505551774772 has 48 divisors (see below), whose sum is σ = 6190445907072. Its totient is φ = 786022548480.

The previous prime is 2505551774753. The next prime is 2505551774773. The reversal of 2505551774772 is 2774771555052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505551774773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4878088 + ... + 5367200.

It is an arithmetic number, because the mean of its divisors is an integer number (128967623064).

Almost surely, 2^{2505551774772} is an apocalyptic number.

It is an amenable number.

2505551774772 is an abundant number, since it is smaller than the sum of its proper divisors (3684894132300).

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

2505551774772 is a wasteful number, since it uses less digits than its factorization.

2505551774772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514248 (or 514246 counting only the distinct ones).

The product of its (nonzero) digits is 24010000, while the sum is 57.

The spelling of 2505551774772 in words is "two trillion, five hundred five billion, five hundred fifty-one million, seven hundred seventy-four thousand, seven hundred seventy-two".