11421533234 has 8 divisors (see below), whose sum is σ = 17133514860. Its totient is φ = 5710361616.

The previous prime is 11421533203. The next prime is 11421533257. The reversal of 11421533234 is 43233512411.

It can be written as a sum of positive squares in 2 ways, for example, as 10806642025 + 614891209 = 103955^2 + 24797^2 .

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 = 11421533197 and 11421533206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165929 + ... + 224444.

Almost surely, 2^11421533234 is an apocalyptic number.

11421533234 is a deficient number, since it is larger than the sum of its proper divisors (5711981626).

11421533234 is a wasteful number, since it uses less digits than its factorization.

11421533234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405004.

The product of its digits is 8640, while the sum is 29.

The spelling of 11421533234 in words is "eleven billion, four hundred twenty-one million, five hundred thirty-three thousand, two hundred thirty-four".