11974805134 has 16 divisors (see below), whose sum is σ = 19532832048. Its totient is φ = 5482899072.

The previous prime is 11974805113. The next prime is 11974805149. The reversal of 11974805134 is 43150847911.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4758204 + ... + 4760719.

It is an arithmetic number, because the mean of its divisors is an integer number (1220802003).

Almost surely, 2^11974805134 is an apocalyptic number.

11974805134 is a deficient number, since it is larger than the sum of its proper divisors (7558026914).

11974805134 is a wasteful number, since it uses less digits than its factorization.

11974805134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9518979.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 11974805134 in words is "eleven billion, nine hundred seventy-four million, eight hundred five thousand, one hundred thirty-four".