51225303540425 has 48 divisors (see below), whose sum is σ = 73536579072000. Its totient is φ = 34672437192960.

The previous prime is 51225303540409. The next prime is 51225303540443. The reversal of 51225303540425 is 52404530352215.

It is not a de Polignac number, because 51225303540425 - 2⁴ = 51225303540409 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1471550 + ... + 10228199.

It is an arithmetic number, because the mean of its divisors is an integer number (1532012064000).

Almost surely, 2^{51225303540425} is an apocalyptic number.

It is an amenable number.

51225303540425 is a deficient number, since it is larger than the sum of its proper divisors (22311275531575).

51225303540425 is a wasteful number, since it uses less digits than its factorization.

51225303540425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700090 (or 11700085 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 51225303540425 in words is "fifty-one trillion, two hundred twenty-five billion, three hundred three million, five hundred forty thousand, four hundred twenty-five".