51000533105 has 16 divisors (see below), whose sum is σ = 61848420480. Its totient is φ = 40370516352.

The previous prime is 51000533083. The next prime is 51000533257. The reversal of 51000533105 is 50133500015.

It is a cyclic number.

It is not a de Polignac number, because 51000533105 - 2¹² = 51000529009 is a prime.

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, 89036 + ... + 331554.

It is an arithmetic number, because the mean of its divisors is an integer number (3865526280).

Almost surely, 2^51000533105 is an apocalyptic number.

It is an amenable number.

51000533105 is a deficient number, since it is larger than the sum of its proper divisors (10847887375).

51000533105 is a wasteful number, since it uses less digits than its factorization.

51000533105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242968.

The product of its (nonzero) digits is 1125, while the sum is 23.

The spelling of 51000533105 in words is "fifty-one billion, five hundred thirty-three thousand, one hundred five".