51138167314 has 16 divisors (see below), whose sum is σ = 83096619480. Its totient is φ = 23602229040.

The previous prime is 51138167309. The next prime is 51138167383. The reversal of 51138167314 is 41376183115.

It can be written as a sum of positive squares in 4 ways, for example, as 14156954289 + 36981213025 = 118983^2 + 192305^2 .

It is a super-2 number, since 2×51138167314² (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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5814697 + ... + 5823484.

Almost surely, 2^51138167314 is an apocalyptic number.

51138167314 is a deficient number, since it is larger than the sum of its proper divisors (31958452166).

51138167314 is a wasteful number, since it uses less digits than its factorization.

51138167314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11638222 (or 11638196 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The spelling of 51138167314 in words is "fifty-one billion, one hundred thirty-eight million, one hundred sixty-seven thousand, three hundred fourteen".