11500130121 has 8 divisors (see below), whose sum is σ = 15381878784. Its totient is φ = 7642567440.

The previous prime is 11500130113. The next prime is 11500130137. The reversal of 11500130121 is 12103100511.

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

It is not a de Polignac number, because 11500130121 - 2³ = 11500130113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11500130121.

It is not an unprimeable number, because it can be changed into a prime (11500110121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6045385 + ... + 6047286.

It is an arithmetic number, because the mean of its divisors is an integer number (1922734848).

Almost surely, 2^11500130121 is an apocalyptic number.

It is an amenable number.

11500130121 is a deficient number, since it is larger than the sum of its proper divisors (3881748663).

11500130121 is a wasteful number, since it uses less digits than its factorization.

11500130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092991.

The product of its (nonzero) digits is 30, while the sum is 15.

Adding to 11500130121 its reverse (12103100511), we get a palindrome (23603230632).

The spelling of 11500130121 in words is "eleven billion, five hundred million, one hundred thirty thousand, one hundred twenty-one".