51105331346 has 16 divisors (see below), whose sum is σ = 76903215480. Its totient is φ = 25471057920.

The previous prime is 51105331331. The next prime is 51105331369. The reversal of 51105331346 is 64313350115.

It can be written as a sum of positive squares in 4 ways, for example, as 46306305721 + 4799025625 = 215189^2 + 69275^2 .

It is a super-2 number, since 2×51105331346² (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 in 7 ways as a sum of consecutive naturals, for example, 758690 + ... + 823298.

Almost surely, 2^51105331346 is an apocalyptic number.

51105331346 is a deficient number, since it is larger than the sum of its proper divisors (25797884134).

51105331346 is a wasteful number, since it uses less digits than its factorization.

51105331346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65869.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 51105331346 in words is "fifty-one billion, one hundred five million, three hundred thirty-one thousand, three hundred forty-six".