51328710457148 has 48 divisors (see below), whose sum is σ = 100116476570880. Its totient is φ = 22883009815296.

The previous prime is 51328710457133. The next prime is 51328710457163. The reversal of 51328710457148 is 84175401782315.

It is an interprime number because it is at equal distance from previous prime (51328710457133) and next prime (51328710457163).

It is a junction number, because it is equal to n+sod(n) for n = 51328710457093 and 51328710457102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86847011 + ... + 87436037.

It is an arithmetic number, because the mean of its divisors is an integer number (2085759928560).

Almost surely, 2^{51328710457148} is an apocalyptic number.

It is an amenable number.

51328710457148 is a deficient number, since it is larger than the sum of its proper divisors (48787766113732).

51328710457148 is a wasteful number, since it uses less digits than its factorization.

51328710457148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656514 (or 656512 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 51328710457148 in words is "fifty-one trillion, three hundred twenty-eight billion, seven hundred ten million, four hundred fifty-seven thousand, one hundred forty-eight".