51283038216 has 16 divisors (see below), whose sum is σ = 128207595600. Its totient is φ = 17094346064.

The previous prime is 51283038211. The next prime is 51283038221. The reversal of 51283038216 is 61283038215.

It is an interprime number because it is at equal distance from previous prime (51283038211) and next prime (51283038221).

It is not an unprimeable number, because it can be changed into a prime (51283038211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068396606 + ... + 1068396653.

It is an arithmetic number, because the mean of its divisors is an integer number (8012974725).

Almost surely, 2^51283038216 is an apocalyptic number.

It is an amenable number.

51283038216 is an abundant number, since it is smaller than the sum of its proper divisors (76924557384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51283038216 is a wasteful number, since it uses less digits than its factorization.

51283038216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136793268 (or 2136793264 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

Subtracting 51283038216 from its reverse (61283038215), we obtain a palindrome (9999999999).

The spelling of 51283038216 in words is "fifty-one billion, two hundred eighty-three million, thirty-eight thousand, two hundred sixteen".