51066005099964 has 48 divisors (see below), whose sum is σ = 121409244835200. Its totient is φ = 16699862836800.

The previous prime is 51066005099897. The next prime is 51066005099981. The reversal of 51066005099964 is 46999050066015.

It is a junction number, because it is equal to n+sod(n) for n = 51066005099898 and 51066005099907.

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, 8681439 + ... + 13322889.

It is an arithmetic number, because the mean of its divisors is an integer number (2529359267400).

Almost surely, 2^{51066005099964} is an apocalyptic number.

It is an amenable number.

51066005099964 is an abundant number, since it is smaller than the sum of its proper divisors (70343239735236).

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

51066005099964 is a wasteful number, since it uses less digits than its factorization.

51066005099964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658810 (or 4658808 counting only the distinct ones).

The product of its (nonzero) digits is 15746400, while the sum is 60.

The spelling of 51066005099964 in words is "fifty-one trillion, sixty-six billion, five million, ninety-nine thousand, nine hundred sixty-four".