16426112501 has 2 divisors, whose sum is σ = 16426112502. Its totient is φ = 16426112500.

The previous prime is 16426112497. The next prime is 16426112509. The reversal of 16426112501 is 10521162461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14652860401 + 1773252100 = 121049^2 + 42110^2 .

It is an emirp because it is prime and its reverse (10521162461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16426112501 - 2² = 16426112497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16426112509) 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 as a sum of consecutive naturals, namely, 8213056250 + 8213056251.

It is an arithmetic number, because the mean of its divisors is an integer number (8213056251).

Almost surely, 2^16426112501 is an apocalyptic number.

It is an amenable number.

16426112501 is a deficient number, since it is larger than the sum of its proper divisors (1).

16426112501 is an equidigital number, since it uses as much as digits as its factorization.

16426112501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 16426112501 its reverse (10521162461), we get a palindrome (26947274962).

The spelling of 16426112501 in words is "sixteen billion, four hundred twenty-six million, one hundred twelve thousand, five hundred one".