16426112505 has 16 divisors (see below), whose sum is σ = 28671033024. Its totient is φ = 7964175680.

The previous prime is 16426112501. The next prime is 16426112509. The reversal of 16426112505 is 50521162461.

It is an interprime number because it is at equal distance from previous prime (16426112501) and next prime (16426112509).

It is not a de Polignac number, because 16426112505 - 2² = 16426112501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (16426112501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49775934 + ... + 49776263.

It is an arithmetic number, because the mean of its divisors is an integer number (1791939564).

Almost surely, 2^16426112505 is an apocalyptic number.

16426112505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16426112505 is a deficient number, since it is larger than the sum of its proper divisors (12244920519).

16426112505 is a wasteful number, since it uses less digits than its factorization.

16426112505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99552216.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 16426112505 its reverse (50521162461), we get a palindrome (66947274966).

The spelling of 16426112505 in words is "sixteen billion, four hundred twenty-six million, one hundred twelve thousand, five hundred five".