51501446423625 has 96 divisors (see below), whose sum is σ = 95130078615936. Its totient is φ = 24723164400000.

The previous prime is 51501446423561. The next prime is 51501446423627. The reversal of 51501446423625 is 52632464410515.

It is not a de Polignac number, because 51501446423625 - 2⁶ = 51501446423561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51501446423627) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1036027 + ... + 10201776.

It is an arithmetic number, because the mean of its divisors is an integer number (990938318916).

Almost surely, 2^{51501446423625} is an apocalyptic number.

51501446423625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51501446423625 is a deficient number, since it is larger than the sum of its proper divisors (43628632192311).

51501446423625 is a wasteful number, since it uses less digits than its factorization.

51501446423625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11237944 (or 11237923 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 51501446423625 in words is "fifty-one trillion, five hundred one billion, four hundred forty-six million, four hundred twenty-three thousand, six hundred twenty-five".