10535903805 has 48 divisors (see below), whose sum is σ = 19811977920. Its totient is φ = 4766727168.

The previous prime is 10535903803. The next prime is 10535903813. The reversal of 10535903805 is 50830953501.

It is a happy number.

It is not a de Polignac number, because 10535903805 - 2¹ = 10535903803 is a prime.

It is a super-2 number, since 2×10535903805² (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 (10535903803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2595 + ... + 145184.

It is an arithmetic number, because the mean of its divisors is an integer number (412749540).

Almost surely, 2^10535903805 is an apocalyptic number.

10535903805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10535903805 is a deficient number, since it is larger than the sum of its proper divisors (9276074115).

10535903805 is a wasteful number, since it uses less digits than its factorization.

10535903805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147898 (or 147891 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 10535903805 in words is "ten billion, five hundred thirty-five million, nine hundred three thousand, eight hundred five".