1229348526543 has 40 divisors (see below), whose sum is σ = 1840922265600. Its totient is φ = 817564022352.

The previous prime is 1229348526481. The next prime is 1229348526569. The reversal of 1229348526543 is 3456258439221.

1229348526543 is a `hidden beast` number, since 1 + 2 + 2 + 9 + 3 + 48 + 52 + 6 + 543 = 666.

It is not a de Polignac number, because 1229348526543 - 2²² = 1229344332239 is a prime.

It is a super-2 number, since 2×1229348526543² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1229348526543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229348526443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 212576830 + ... + 212582612.

It is an arithmetic number, because the mean of its divisors is an integer number (46023056640).

Almost surely, 2^{1229348526543} is an apocalyptic number.

1229348526543 is a deficient number, since it is larger than the sum of its proper divisors (611573739057).

1229348526543 is an equidigital number, since it uses as much as digits as its factorization.

1229348526543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11753 (or 11744 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 1229348526543 in words is "one trillion, two hundred twenty-nine billion, three hundred forty-eight million, five hundred twenty-six thousand, five hundred forty-three".