51112530005 has 8 divisors (see below), whose sum is σ = 61528523832. Its totient is φ = 40761032128.

The previous prime is 51112529989. The next prime is 51112530011. The reversal of 51112530005 is 50003521115.

It is a happy number.

51112530005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6573804241 + 44538725764 = 81079^2 + 211042^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51112530005 - 2⁴ = 51112529989 is a prime.

It is a super-2 number, since 2×51112530005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16122242 + ... + 16125411.

It is an arithmetic number, because the mean of its divisors is an integer number (7691065479).

Almost surely, 2^51112530005 is an apocalyptic number.

It is an amenable number.

51112530005 is a deficient number, since it is larger than the sum of its proper divisors (10415993827).

51112530005 is a wasteful number, since it uses less digits than its factorization.

51112530005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32247975.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 51112530005 in words is "fifty-one billion, one hundred twelve million, five hundred thirty thousand, five".