51056006110605 has 72 divisors (see below), whose sum is σ = 92527942180128. Its totient is φ = 26041493193408.

The previous prime is 51056006110589. The next prime is 51056006110639. The reversal of 51056006110605 is 50601160065015.

It is not a de Polignac number, because 51056006110605 - 2⁴ = 51056006110589 is a prime.

It is a super-2 number, since 2×51056006110605² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51056006110605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 140815962 + ... + 141178068.

Almost surely, 2^{51056006110605} is an apocalyptic number.

It is an amenable number.

51056006110605 is a deficient number, since it is larger than the sum of its proper divisors (41471936069523).

51056006110605 is a wasteful number, since it uses less digits than its factorization.

51056006110605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368087 (or 368061 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 51056006110605 in words is "fifty-one trillion, fifty-six billion, six million, one hundred ten thousand, six hundred five".