10550501118 has 12 divisors (see below), whose sum is σ = 22859419128. Its totient is φ = 3516833700.

The previous prime is 10550501111. The next prime is 10550501131. The reversal of 10550501118 is 81110505501.

10550501118 is a `hidden beast` number, since 105 + 50 + 501 + 1 + 1 + 8 = 666.

It is a super-2 number, since 2×10550501118² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10550501091 and 10550501100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10550501111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293069458 + ... + 293069493.

It is an arithmetic number, because the mean of its divisors is an integer number (1904951594).

Almost surely, 2^10550501118 is an apocalyptic number.

10550501118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10550501118 is an abundant number, since it is smaller than the sum of its proper divisors (12308918010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10550501118 is a wasteful number, since it uses less digits than its factorization.

10550501118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586138959 (or 586138956 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 27.

The spelling of 10550501118 in words is "ten billion, five hundred fifty million, five hundred one thousand, one hundred eighteen".