10500111011 has 8 divisors (see below), whose sum is σ = 11327083824. Its totient is φ = 9675891360.

The previous prime is 10500110981. The next prime is 10500111043. The reversal of 10500111011 is 11011100501.

It is a happy number.

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 10500111011 - 2¹⁰ = 10500109987 is a prime.

It is a super-2 number, since 2×10500111011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10500110983 and 10500111001.

It is not an unprimeable number, because it can be changed into a prime (10500111211) 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, 680360 + ... + 695621.

It is an arithmetic number, because the mean of its divisors is an integer number (1415885478).

Almost surely, 2^10500111011 is an apocalyptic number.

10500111011 is a deficient number, since it is larger than the sum of its proper divisors (826972813).

10500111011 is a wasteful number, since it uses less digits than its factorization.

10500111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376581.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 10500111011 its reverse (11011100501), we get a palindrome (21511211512).

The spelling of 10500111011 in words is "ten billion, five hundred million, one hundred eleven thousand, eleven".