16115571534383 has 2 divisors, whose sum is σ = 16115571534384. Its totient is φ = 16115571534382.

The previous prime is 16115571534379. The next prime is 16115571534527. The reversal of 16115571534383 is 38343517551161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16115571534383 - 2² = 16115571534379 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16115571534343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8057785767191 + 8057785767192.

It is an arithmetic number, because the mean of its divisors is an integer number (8057785767192).

Almost surely, 2^{16115571534383} is an apocalyptic number.

16115571534383 is a deficient number, since it is larger than the sum of its proper divisors (1).

16115571534383 is an equidigital number, since it uses as much as digits as its factorization.

16115571534383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536000, while the sum is 53.

The spelling of 16115571534383 in words is "sixteen trillion, one hundred fifteen billion, five hundred seventy-one million, five hundred thirty-four thousand, three hundred eighty-three".