51345422625001 has 4 divisors (see below), whose sum is σ = 51399641657232. Its totient is φ = 51291203592772.

The previous prime is 51345422624983. The next prime is 51345422625011. The reversal of 51345422625001 is 10052622454315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51345422625001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51345422625011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27109514695 + ... + 27109516588.

It is an arithmetic number, because the mean of its divisors is an integer number (12849910414308).

Almost surely, 2^{51345422625001} is an apocalyptic number.

It is an amenable number.

51345422625001 is a deficient number, since it is larger than the sum of its proper divisors (54219032231).

51345422625001 is an equidigital number, since it uses as much as digits as its factorization.

51345422625001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54219032230.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 51345422625001 in words is "fifty-one trillion, three hundred forty-five billion, four hundred twenty-two million, six hundred twenty-five thousand, one".