10505500118 has 8 divisors (see below), whose sum is σ = 15828915648. Its totient is φ = 5229194904.

The previous prime is 10505500111. The next prime is 10505500133. The reversal of 10505500118 is 81100550501.

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

It is a super-2 number, since 2×10505500118² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505500111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11777021 + ... + 11777912.

It is an arithmetic number, because the mean of its divisors is an integer number (1978614456).

Almost surely, 2^10505500118 is an apocalyptic number.

10505500118 is a deficient number, since it is larger than the sum of its proper divisors (5323415530).

10505500118 is a wasteful number, since it uses less digits than its factorization.

10505500118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23555158.

The product of its (nonzero) digits is 1000, while the sum is 26.

The spelling of 10505500118 in words is "ten billion, five hundred five million, five hundred thousand, one hundred eighteen".