2251553012525 has 24 divisors (see below), whose sum is σ = 2804400804480. Its totient is φ = 1793195576640.

The previous prime is 2251553012521. The next prime is 2251553012539. The reversal of 2251553012525 is 5252103551522.

It is not a de Polignac number, because 2251553012525 - 2² = 2251553012521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251553012521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107293184 + ... + 107314166.

It is an arithmetic number, because the mean of its divisors is an integer number (116850033520).

Almost surely, 2^{2251553012525} is an apocalyptic number.

2251553012525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251553012525 is a deficient number, since it is larger than the sum of its proper divisors (552847791955).

2251553012525 is a wasteful number, since it uses less digits than its factorization.

2251553012525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39965 (or 39960 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 2251553012525 in words is "two trillion, two hundred fifty-one billion, five hundred fifty-three million, twelve thousand, five hundred twenty-five".