11105431234 has 8 divisors (see below), whose sum is σ = 16660147968. Its totient is φ = 5552048580.

The previous prime is 11105431231. The next prime is 11105431261. The reversal of 11105431234 is 43213450111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11105431199 and 11105431208.

It is not an unprimeable number, because it can be changed into a prime (11105431231) 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, 312442 + ... + 346165.

It is an arithmetic number, because the mean of its divisors is an integer number (2082518496).

Almost surely, 2^11105431234 is an apocalyptic number.

11105431234 is a deficient number, since it is larger than the sum of its proper divisors (5554716734).

11105431234 is an equidigital number, since it uses as much as digits as its factorization.

11105431234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667040.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11105431234 its reverse (43213450111), we get a palindrome (54318881345).

The spelling of 11105431234 in words is "eleven billion, one hundred five million, four hundred thirty-one thousand, two hundred thirty-four".