11500879405 has 8 divisors (see below), whose sum is σ = 14401101312. Its totient is φ = 8800672848.

The previous prime is 11500879391. The next prime is 11500879471. The reversal of 11500879405 is 50497800511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11500879405 - 2¹¹ = 11500877357 is a prime.

It is a Duffinian 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, 50003709 + ... + 50003938.

It is an arithmetic number, because the mean of its divisors is an integer number (1800137664).

Almost surely, 2^11500879405 is an apocalyptic number.

It is an amenable number.

11500879405 is a deficient number, since it is larger than the sum of its proper divisors (2900221907).

11500879405 is a wasteful number, since it uses less digits than its factorization.

11500879405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100007675.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 11500879405 in words is "eleven billion, five hundred million, eight hundred seventy-nine thousand, four hundred five".