2251204553625 has 64 divisors (see below), whose sum is σ = 3755387750400. Its totient is φ = 1197638520000.

The previous prime is 2251204553623. The next prime is 2251204553659. The reversal of 2251204553625 is 5263554021522.

2251204553625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2251204553625 - 2¹ = 2251204553623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251204553623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 325927422 + ... + 325934328.

It is an arithmetic number, because the mean of its divisors is an integer number (58677933600).

Almost surely, 2^{2251204553625} is an apocalyptic number.

2251204553625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251204553625 is a deficient number, since it is larger than the sum of its proper divisors (1504183196775).

2251204553625 is a wasteful number, since it uses less digits than its factorization.

2251204553625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8975 (or 8965 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 2251204553625 in words is "two trillion, two hundred fifty-one billion, two hundred four million, five hundred fifty-three thousand, six hundred twenty-five".