10505111050 has 48 divisors (see below), whose sum is σ = 23051238912. Its totient is φ = 3485563200.

The previous prime is 10505111041. The next prime is 10505111051. The reversal of 10505111050 is 5011150501.

It is a happy number.

It is a super-2 number, since 2×10505111050² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505111051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473257 + ... + 494956.

It is an arithmetic number, because the mean of its divisors is an integer number (480234144).

Almost surely, 2^10505111050 is an apocalyptic number.

10505111050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10505111050 is an abundant number, since it is smaller than the sum of its proper divisors (12546127862).

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

10505111050 is a wasteful number, since it uses less digits than its factorization.

10505111050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968263 (or 968258 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 10505111050 its reverse (5011150501), we get a palindrome (15516261551).

The spelling of 10505111050 in words is "ten billion, five hundred five million, one hundred eleven thousand, fifty".