51112162606 has 4 divisors (see below), whose sum is σ = 76668243912. Its totient is φ = 25556081302.

The previous prime is 51112162601. The next prime is 51112162649. The reversal of 51112162606 is 60626121115.

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

It is a super-2 number, since 2×51112162606² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51112162601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12778040650 + ... + 12778040653.

It is an arithmetic number, because the mean of its divisors is an integer number (19167060978).

Almost surely, 2^51112162606 is an apocalyptic number.

51112162606 is a deficient number, since it is larger than the sum of its proper divisors (25556081306).

51112162606 is a wasteful number, since it uses less digits than its factorization.

51112162606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25556081305.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 51112162606 in words is "fifty-one billion, one hundred twelve million, one hundred sixty-two thousand, six hundred six".