11534426141243 has 4 divisors (see below), whose sum is σ = 11802668609688. Its totient is φ = 11266183672800.

The previous prime is 11534426141237. The next prime is 11534426141269. The reversal of 11534426141243 is 34214162443511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11534426141243 - 2⁶ = 11534426141179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11534426141243.

It is not an unprimeable number, because it can be changed into a prime (11534426141743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134121234158 + ... + 134121234243.

It is an arithmetic number, because the mean of its divisors is an integer number (2950667152422).

Almost surely, 2^{11534426141243} is an apocalyptic number.

11534426141243 is a deficient number, since it is larger than the sum of its proper divisors (268242468445).

11534426141243 is an equidigital number, since it uses as much as digits as its factorization.

11534426141243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268242468444.

The product of its digits is 276480, while the sum is 41.

Adding to 11534426141243 its reverse (34214162443511), we get a palindrome (45748588584754).

The spelling of 11534426141243 in words is "eleven trillion, five hundred thirty-four billion, four hundred twenty-six million, one hundred forty-one thousand, two hundred forty-three".