51364159059 has 4 divisors (see below), whose sum is σ = 68485545416. Its totient is φ = 34242772704.

The previous prime is 51364159051. The next prime is 51364159079. The reversal of 51364159059 is 95095146315.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51364159059 - 2³ = 51364159051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51364158999 and 51364159017.

It is not an unprimeable number, because it can be changed into a prime (51364159051) 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, 8560693174 + ... + 8560693179.

It is an arithmetic number, because the mean of its divisors is an integer number (17121386354).

Almost surely, 2^51364159059 is an apocalyptic number.

51364159059 is a deficient number, since it is larger than the sum of its proper divisors (17121386357).

51364159059 is a wasteful number, since it uses less digits than its factorization.

51364159059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17121386356.

The product of its (nonzero) digits is 729000, while the sum is 48.

The spelling of 51364159059 in words is "fifty-one billion, three hundred sixty-four million, one hundred fifty-nine thousand, fifty-nine".