51402041010403 has 2 divisors, whose sum is σ = 51402041010404. Its totient is φ = 51402041010402.

The previous prime is 51402041010391. The next prime is 51402041010491. The reversal of 51402041010403 is 30401014020415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51402041010403 - 2¹⁷ = 51402040879331 is a prime.

It is not a weakly prime, because it can be changed into another prime (51402041010503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25701020505201 + 25701020505202.

It is an arithmetic number, because the mean of its divisors is an integer number (25701020505202).

Almost surely, 2^{51402041010403} is an apocalyptic number.

51402041010403 is a deficient number, since it is larger than the sum of its proper divisors (1).

51402041010403 is an equidigital number, since it uses as much as digits as its factorization.

51402041010403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 51402041010403 its reverse (30401014020415), we get a palindrome (81803055030818).

The spelling of 51402041010403 in words is "fifty-one trillion, four hundred two billion, forty-one million, ten thousand, four hundred three".