16542788031229 has 2 divisors, whose sum is σ = 16542788031230. Its totient is φ = 16542788031228.

The previous prime is 16542788031221. The next prime is 16542788031293. The reversal of 16542788031229 is 92213088724561.

16542788031229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16016220108729 + 526567922500 = 4002027^2 + 725650^2 .

It is a cyclic number.

It is not a de Polignac number, because 16542788031229 - 2³ = 16542788031221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16542788031221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8271394015614 + 8271394015615.

It is an arithmetic number, because the mean of its divisors is an integer number (8271394015615).

It is a 1-persistent number, because it is pandigital, but 2⋅16542788031229 = 33085576062458 is not.

Almost surely, 2^{16542788031229} is an apocalyptic number.

It is an amenable number.

16542788031229 is a deficient number, since it is larger than the sum of its proper divisors (1).

16542788031229 is an equidigital number, since it uses as much as digits as its factorization.

16542788031229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 16542788031229 in words is "sixteen trillion, five hundred forty-two billion, seven hundred eighty-eight million, thirty-one thousand, two hundred twenty-nine".