51061061055 has 16 divisors (see below), whose sum is σ = 82731847680. Its totient is φ = 26887849248.

The previous prime is 51061061033. The next prime is 51061061083. The reversal of 51061061055 is 55016016015.

It is not a de Polignac number, because 51061061055 - 2⁷ = 51061060927 is a prime.

It is a congruent number.

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, 21543567 + ... + 21545936.

It is an arithmetic number, because the mean of its divisors is an integer number (5170740480).

Almost surely, 2^51061061055 is an apocalyptic number.

51061061055 is a deficient number, since it is larger than the sum of its proper divisors (31670786625).

51061061055 is a wasteful number, since it uses less digits than its factorization.

51061061055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43089590.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 51061061055 in words is "fifty-one billion, sixty-one million, sixty-one thousand, fifty-five".