11143523434 has 4 divisors (see below), whose sum is σ = 16715285154. Its totient is φ = 5571761716.

The previous prime is 11143523431. The next prime is 11143523467. The reversal of 11143523434 is 43432534111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43432534111 = 19687 ⋅2206153.

It can be written as a sum of positive squares in only one way, i.e., 9575601025 + 1567922409 = 97855^2 + 39597^2 .

It is a super-2 number, since 2×11143523434² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11143523396 and 11143523405.

It is not an unprimeable number, because it can be changed into a prime (11143523431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785880857 + ... + 2785880860.

Almost surely, 2^11143523434 is an apocalyptic number.

11143523434 is a deficient number, since it is larger than the sum of its proper divisors (5571761720).

11143523434 is an equidigital number, since it uses as much as digits as its factorization.

11143523434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571761719.

The product of its digits is 17280, while the sum is 31.

The spelling of 11143523434 in words is "eleven billion, one hundred forty-three million, five hundred twenty-three thousand, four hundred thirty-four".