10956229911 has 16 divisors (see below), whose sum is σ = 17707038720. Its totient is φ = 6640139160.

The previous prime is 10956229909. The next prime is 10956229919. The reversal of 10956229911 is 11992265901.

10956229911 is a `hidden beast` number, since 1 + 0 + 9 + 5 + 622 + 9 + 9 + 11 = 666.

It is not a de Polignac number, because 10956229911 - 2¹ = 10956229909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10956229919) 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, 18444535 + ... + 18445128.

It is an arithmetic number, because the mean of its divisors is an integer number (1106689920).

Almost surely, 2^10956229911 is an apocalyptic number.

10956229911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10956229911 is a deficient number, since it is larger than the sum of its proper divisors (6750808809).

10956229911 is a wasteful number, since it uses less digits than its factorization.

10956229911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36889683 (or 36889677 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 10956229911 in words is "ten billion, nine hundred fifty-six million, two hundred twenty-nine thousand, nine hundred eleven".