11534236406 has 64 divisors (see below), whose sum is σ = 23134533120. Its totient is φ = 4176956160.

The previous prime is 11534236391. The next prime is 11534236409. The reversal of 11534236406 is 60463243511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534236409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117890 + ... + 192266.

It is an arithmetic number, because the mean of its divisors is an integer number (361477080).

Almost surely, 2^11534236406 is an apocalyptic number.

11534236406 is an abundant number, since it is smaller than the sum of its proper divisors (11600296714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11534236406 is a wasteful number, since it uses less digits than its factorization.

11534236406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74469.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 11534236406 its reverse (60463243511), we get a palindrome (71997479917).

The spelling of 11534236406 in words is "eleven billion, five hundred thirty-four million, two hundred thirty-six thousand, four hundred six".