51061056000555 has 16 divisors (see below), whose sum is σ = 81697963497984. Its totient is φ = 27232471901280.

The previous prime is 51061056000533. The next prime is 51061056000571. The reversal of 51061056000555 is 55500065016015.

It is not a de Polignac number, because 51061056000555 - 2⁵ = 51061056000523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955269 + ... + 10150598.

It is an arithmetic number, because the mean of its divisors is an integer number (5106122718624).

Almost surely, 2^{51061056000555} is an apocalyptic number.

51061056000555 is a deficient number, since it is larger than the sum of its proper divisors (30636907497429).

51061056000555 is a wasteful number, since it uses less digits than its factorization.

51061056000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11412386.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 51061056000555 in words is "fifty-one trillion, sixty-one billion, fifty-six million, five hundred fifty-five", and thus it is an aban number.