51628164291425 has 12 divisors (see below), whose sum is σ = 64100269265136. Its totient is φ = 41250050437200.

The previous prime is 51628164291421. The next prime is 51628164291491. The reversal of 51628164291425 is 52419246182615.

It is not a de Polignac number, because 51628164291425 - 2² = 51628164291421 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51628164291421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1312004831 + ... + 1312044180.

It is an arithmetic number, because the mean of its divisors is an integer number (5341689105428).

Almost surely, 2^{51628164291425} is an apocalyptic number.

It is an amenable number.

51628164291425 is a deficient number, since it is larger than the sum of its proper divisors (12472104973711).

51628164291425 is a wasteful number, since it uses less digits than its factorization.

51628164291425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624049808 (or 2624049803 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The spelling of 51628164291425 in words is "fifty-one trillion, six hundred twenty-eight billion, one hundred sixty-four million, two hundred ninety-one thousand, four hundred twenty-five".