11413143243 has 20 divisors (see below), whose sum is σ = 17052346080. Its totient is φ = 7607386512.

The previous prime is 11413143199. The next prime is 11413143251. The reversal of 11413143243 is 34234131411.

11413143243 is a `hidden beast` number, since 1 + 1 + 413 + 1 + 4 + 3 + 243 = 666.

It is not a de Polignac number, because 11413143243 - 2²² = 11408948939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11413143263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 648798 + ... + 666156.

It is an arithmetic number, because the mean of its divisors is an integer number (852617304).

Almost surely, 2^11413143243 is an apocalyptic number.

11413143243 is a deficient number, since it is larger than the sum of its proper divisors (5639202837).

11413143243 is an equidigital number, since it uses as much as digits as its factorization.

11413143243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25488 (or 25479 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 11413143243 its reverse (34234131411), we get a palindrome (45647274654).

The spelling of 11413143243 in words is "eleven billion, four hundred thirteen million, one hundred forty-three thousand, two hundred forty-three".