51353522522425 has 12 divisors (see below), whose sum is σ = 65033226821376. Its totient is φ = 40208715506000.

The previous prime is 51353522522417. The next prime is 51353522522461. The reversal of 51353522522425 is 52422522535315.

It is not a de Polignac number, because 51353522522425 - 2³ = 51353522522417 is a prime.

It is a super-2 number, since 2×51353522522425² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21852561601 + ... + 21852563950.

It is an arithmetic number, because the mean of its divisors is an integer number (5419435568448).

Almost surely, 2^{51353522522425} is an apocalyptic number.

It is an amenable number.

51353522522425 is a deficient number, since it is larger than the sum of its proper divisors (13679704298951).

51353522522425 is a wasteful number, since it uses less digits than its factorization.

51353522522425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43705125608 (or 43705125603 counting only the distinct ones).

The product of its digits is 3600000, while the sum is 46.

The spelling of 51353522522425 in words is "fifty-one trillion, three hundred fifty-three billion, five hundred twenty-two million, five hundred twenty-two thousand, four hundred twenty-five".