51054123410431 has 4 divisors (see below), whose sum is σ = 51062264721664. Its totient is φ = 51045982099200.

The previous prime is 51054123410393. The next prime is 51054123410447. The reversal of 51054123410431 is 13401432145015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51054123410431 - 2³⁵ = 51019763672063 is a prime.

It is a super-3 number, since 3×51054123410431³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51054121410431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4070646210 + ... + 4070658751.

It is an arithmetic number, because the mean of its divisors is an integer number (12765566180416).

Almost surely, 2^{51054123410431} is an apocalyptic number.

51054123410431 is a deficient number, since it is larger than the sum of its proper divisors (8141311233).

51054123410431 is an equidigital number, since it uses as much as digits as its factorization.

51054123410431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141311232.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 51054123410431 its reverse (13401432145015), we get a palindrome (64455555555446).

The spelling of 51054123410431 in words is "fifty-one trillion, fifty-four billion, one hundred twenty-three million, four hundred ten thousand, four hundred thirty-one".