51404250411 has 36 divisors (see below), whose sum is σ = 76961796912. Its totient is φ = 33060885312.

The previous prime is 51404250371. The next prime is 51404250413. The reversal of 51404250411 is 11405240415.

51404250411 is a `hidden beast` number, since 5 + 1 + 404 + 250 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 51404250411 - 2⁹ = 51404249899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51404250413) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13978105 + ... + 13981781.

It is an arithmetic number, because the mean of its divisors is an integer number (2137827692).

Almost surely, 2^51404250411 is an apocalyptic number.

51404250411 is a deficient number, since it is larger than the sum of its proper divisors (25557546501).

51404250411 is a wasteful number, since it uses less digits than its factorization.

51404250411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5588 (or 5556 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 51404250411 its reverse (11405240415), we get a palindrome (62809490826).

It can be divided in two parts, 514042 and 50411, that added together give a triangular number (564453 = T₁₀₆₂).

The spelling of 51404250411 in words is "fifty-one billion, four hundred four million, two hundred fifty thousand, four hundred eleven".