51345064321226 has 8 divisors (see below), whose sum is σ = 82942026980484. Its totient is φ = 23697721994400.

The previous prime is 51345064321153. The next prime is 51345064321241. The reversal of 51345064321226 is 62212346054315.

It can be written as a sum of positive squares in 2 ways, for example, as 44363605681201 + 6981458640025 = 6660601^2 + 2642245^2 .

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

It is a super-2 number, since 2×51345064321226² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987405083075 + ... + 987405083126.

Almost surely, 2^{51345064321226} is an apocalyptic number.

51345064321226 is a deficient number, since it is larger than the sum of its proper divisors (31596962659258).

51345064321226 is a wasteful number, since it uses less digits than its factorization.

51345064321226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974810166216.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 51345064321226 in words is "fifty-one trillion, three hundred forty-five billion, sixty-four million, three hundred twenty-one thousand, two hundred twenty-six".