13842511185787 has 2 divisors, whose sum is σ = 13842511185788. Its totient is φ = 13842511185786.

The previous prime is 13842511185733. The next prime is 13842511185791. The reversal of 13842511185787 is 78758111524831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13842511185787 is a prime.

It is not a weakly prime, because it can be changed into another prime (13842511185887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6921255592893 + 6921255592894.

It is an arithmetic number, because the mean of its divisors is an integer number (6921255592894).

Almost surely, 2^{13842511185787} is an apocalyptic number.

13842511185787 is a deficient number, since it is larger than the sum of its proper divisors (1).

13842511185787 is an equidigital number, since it uses as much as digits as its factorization.

13842511185787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15052800, while the sum is 61.

The spelling of 13842511185787 in words is "thirteen trillion, eight hundred forty-two billion, five hundred eleven million, one hundred eighty-five thousand, seven hundred eighty-seven".