21436036115343 has 8 divisors (see below), whose sum is σ = 28583610801456. Its totient is φ = 14289576086400.

The previous prime is 21436036115341. The next prime is 21436036115363. The reversal of 21436036115343 is 34351163063412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21436036115343 - 2¹ = 21436036115341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21436036115295 and 21436036115304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21436036115341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278619418 + ... + 278696343.

It is an arithmetic number, because the mean of its divisors is an integer number (3572951350182).

Almost surely, 2^{21436036115343} is an apocalyptic number.

21436036115343 is a deficient number, since it is larger than the sum of its proper divisors (7147574686113).

21436036115343 is a wasteful number, since it uses less digits than its factorization.

21436036115343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557328585.

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 21436036115343 its reverse (34351163063412), we get a palindrome (55787199178755).

The spelling of 21436036115343 in words is "twenty-one trillion, four hundred thirty-six billion, thirty-six million, one hundred fifteen thousand, three hundred forty-three".