51040441045 has 16 divisors (see below), whose sum is σ = 70746965568. Its totient is φ = 34936771840.

The previous prime is 51040441033. The next prime is 51040441063. The reversal of 51040441045 is 54014404015.

It is not a de Polignac number, because 51040441045 - 2⁷ = 51040440917 is a prime.

It is a Duffinian number.

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, 27293419 + ... + 27295288.

It is an arithmetic number, because the mean of its divisors is an integer number (4421685348).

Almost surely, 2^51040441045 is an apocalyptic number.

51040441045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51040441045 is a deficient number, since it is larger than the sum of its proper divisors (19706524523).

51040441045 is a wasteful number, since it uses less digits than its factorization.

51040441045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54588740.

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 51040441045 in words is "fifty-one billion, forty million, four hundred forty-one thousand, forty-five".