23100552110521 has 8 divisors (see below), whose sum is σ = 23128701003144. Its totient is φ = 23072418526080.

The previous prime is 23100552110513. The next prime is 23100552110569. The reversal of 23100552110521 is 12501125500132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5238399450025 + 17862152660496 = 2288755^2 + 4226364^2 .

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 23100552110521 - 2³ = 23100552110513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23100552110521.

It is not an unprimeable number, because it can be changed into a prime (23100552110021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805690 + ... + 6844723.

It is an arithmetic number, because the mean of its divisors is an integer number (2891087625393).

Almost surely, 2^{23100552110521} is an apocalyptic number.

It is an amenable number.

23100552110521 is a deficient number, since it is larger than the sum of its proper divisors (28148892623).

23100552110521 is a wasteful number, since it uses less digits than its factorization.

23100552110521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654091.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 23100552110521 its reverse (12501125500132), we get a palindrome (35601677610653).

The spelling of 23100552110521 in words is "twenty-three trillion, one hundred billion, five hundred fifty-two million, one hundred ten thousand, five hundred twenty-one".