51014142025 has 144 divisors (see below), whose sum is σ = 83966911488. Its totient is φ = 29812464000.

The previous prime is 51014142013. The next prime is 51014142041. The reversal of 51014142025 is 52024141015.

It is not a de Polignac number, because 51014142025 - 2⁷ = 51014141897 is a prime.

It is a super-2 number, since 2×51014142025² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 154121110 + ... + 154121440.

It is an arithmetic number, because the mean of its divisors is an integer number (583103552).

Almost surely, 2^51014142025 is an apocalyptic number.

51014142025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51014142025 is a deficient number, since it is larger than the sum of its proper divisors (32952769463).

51014142025 is a wasteful number, since it uses less digits than its factorization.

51014142025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 51014142025 in words is "fifty-one billion, fourteen million, one hundred forty-two thousand, twenty-five".