51051255013 has 16 divisors (see below), whose sum is σ = 57213141696. Its totient is φ = 45143533440.

The previous prime is 51051254981. The next prime is 51051255029. The reversal of 51051255013 is 31055215015.

It is a cyclic number.

It is not a de Polignac number, because 51051255013 - 2⁵ = 51051254981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051255043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675170 + ... + 1705372.

It is an arithmetic number, because the mean of its divisors is an integer number (3575821356).

Almost surely, 2^51051255013 is an apocalyptic number.

It is an amenable number.

51051255013 is a deficient number, since it is larger than the sum of its proper divisors (6161886683).

51051255013 is a wasteful number, since it uses less digits than its factorization.

51051255013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34404.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 51051255013 in words is "fifty-one billion, fifty-one million, two hundred fifty-five thousand, thirteen".