11534503238 has 4 divisors (see below), whose sum is σ = 17301754860. Its totient is φ = 5767251618.

The previous prime is 11534503231. The next prime is 11534503241. The reversal of 11534503238 is 83230543511.

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

It is a junction number, because it is equal to n+sod(n) for n = 11534503198 and 11534503207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534503231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2883625808 + ... + 2883625811.

It is an arithmetic number, because the mean of its divisors is an integer number (4325438715).

Almost surely, 2^11534503238 is an apocalyptic number.

11534503238 is a deficient number, since it is larger than the sum of its proper divisors (5767251622).

11534503238 is an equidigital number, since it uses as much as digits as its factorization.

11534503238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767251621.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 11534503238 in words is "eleven billion, five hundred thirty-four million, five hundred three thousand, two hundred thirty-eight".