15542216341 has 2 divisors, whose sum is σ = 15542216342. Its totient is φ = 15542216340.

The previous prime is 15542216309. The next prime is 15542216381. The reversal of 15542216341 is 14361224551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12303468241 + 3238748100 = 110921^2 + 56910^2 .

It is a cyclic number.

It is not a de Polignac number, because 15542216341 - 2⁵ = 15542216309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15542216297 and 15542216306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15542216381) 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, 7771108170 + 7771108171.

It is an arithmetic number, because the mean of its divisors is an integer number (7771108171).

Almost surely, 2^15542216341 is an apocalyptic number.

It is an amenable number.

15542216341 is a deficient number, since it is larger than the sum of its proper divisors (1).

15542216341 is an equidigital number, since it uses as much as digits as its factorization.

15542216341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The spelling of 15542216341 in words is "fifteen billion, five hundred forty-two million, two hundred sixteen thousand, three hundred forty-one".