51042104405 has 8 divisors (see below), whose sum is σ = 61265514552. Its totient is φ = 40823690688.

The previous prime is 51042104401. The next prime is 51042104411. The reversal of 51042104405 is 50440124015.

51042104405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15784907044 + 35257197361 = 125638^2 + 187769^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 51042104405 - 2² = 51042104401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51042104401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226594 + ... + 1267523.

It is an arithmetic number, because the mean of its divisors is an integer number (7658189319).

Almost surely, 2^51042104405 is an apocalyptic number.

It is an amenable number.

51042104405 is a deficient number, since it is larger than the sum of its proper divisors (10223410147).

51042104405 is a wasteful number, since it uses less digits than its factorization.

51042104405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498215.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 51042104405 in words is "fifty-one billion, forty-two million, one hundred four thousand, four hundred five".