15401315263 has 2 divisors, whose sum is σ = 15401315264. Its totient is φ = 15401315262.

The previous prime is 15401315249. The next prime is 15401315381. The reversal of 15401315263 is 36251310451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15401315263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15401315213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700657631 + 7700657632.

It is an arithmetic number, because the mean of its divisors is an integer number (7700657632).

Almost surely, 2^15401315263 is an apocalyptic number.

15401315263 is a deficient number, since it is larger than the sum of its proper divisors (1).

15401315263 is an equidigital number, since it uses as much as digits as its factorization.

15401315263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 15401315263 in words is "fifteen billion, four hundred one million, three hundred fifteen thousand, two hundred sixty-three".