11543132034331 has 4 divisors (see below), whose sum is σ = 11544012597600. Its totient is φ = 11542251471064.

The previous prime is 11543132034289. The next prime is 11543132034347. The reversal of 11543132034331 is 13343023134511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11543132034331 is a prime.

It is a super-2 number, since 2×11543132034331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11543132014331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440261971 + ... + 440288188.

It is an arithmetic number, because the mean of its divisors is an integer number (2886003149400).

Almost surely, 2^{11543132034331} is an apocalyptic number.

11543132034331 is a deficient number, since it is larger than the sum of its proper divisors (880563269).

11543132034331 is an equidigital number, since it uses as much as digits as its factorization.

11543132034331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880563268.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 11543132034331 its reverse (13343023134511), we get a palindrome (24886155168842).

The spelling of 11543132034331 in words is "eleven trillion, five hundred forty-three billion, one hundred thirty-two million, thirty-four thousand, three hundred thirty-one".