51110005106 has 4 divisors (see below), whose sum is σ = 76665007662. Its totient is φ = 25555002552.

The previous prime is 51110005097. The next prime is 51110005123. The reversal of 51110005106 is 60150001115.

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

It can be written as a sum of positive squares in only one way, i.e., 50447406025 + 662599081 = 224605^2 + 25741^2 .

It is a super-2 number, since 2×51110005106² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777501275 + ... + 12777501278.

Almost surely, 2^51110005106 is an apocalyptic number.

51110005106 is a deficient number, since it is larger than the sum of its proper divisors (25555002556).

51110005106 is a wasteful number, since it uses less digits than its factorization.

51110005106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25555002555.

The product of its (nonzero) digits is 150, while the sum is 20.

The spelling of 51110005106 in words is "fifty-one billion, one hundred ten million, five thousand, one hundred six".