10775561903 has 16 divisors (see below), whose sum is σ = 11630757600. Its totient is φ = 9949662720.

The previous prime is 10775561897. The next prime is 10775561921. The reversal of 10775561903 is 30916557701.

It is a cyclic number.

It is not a de Polignac number, because 10775561903 - 2²⁰ = 10774513327 is a prime.

It is a super-2 number, since 2×10775561903² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10775561933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857675 + ... + 870147.

It is an arithmetic number, because the mean of its divisors is an integer number (726922350).

Almost surely, 2^10775561903 is an apocalyptic number.

10775561903 is a deficient number, since it is larger than the sum of its proper divisors (855195697).

10775561903 is a wasteful number, since it uses less digits than its factorization.

10775561903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642.

The product of its (nonzero) digits is 198450, while the sum is 44.

The spelling of 10775561903 in words is "ten billion, seven hundred seventy-five million, five hundred sixty-one thousand, nine hundred three".