10811869407 has 12 divisors (see below), whose sum is σ = 16155667320. Its totient is φ = 6959364048.

The previous prime is 10811869403. The next prime is 10811869433. The reversal of 10811869407 is 70496811801.

It is a happy number.

It is not a de Polignac number, because 10811869407 - 2² = 10811869403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10811869403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20712133 + ... + 20712654.

It is an arithmetic number, because the mean of its divisors is an integer number (1346305610).

Almost surely, 2^10811869407 is an apocalyptic number.

10811869407 is a deficient number, since it is larger than the sum of its proper divisors (5343797913).

10811869407 is a wasteful number, since it uses less digits than its factorization.

10811869407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41424822 (or 41424819 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 10811869407 in words is "ten billion, eight hundred eleven million, eight hundred sixty-nine thousand, four hundred seven".