11834634865 has 16 divisors (see below), whose sum is σ = 14810826240. Its totient is φ = 9067829760.

The previous prime is 11834634811. The next prime is 11834634869. The reversal of 11834634865 is 56843643811.

It is not a de Polignac number, because 11834634865 - 2¹⁹ = 11834110577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11834634869) 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, 378535 + ... + 408604.

It is an arithmetic number, because the mean of its divisors is an integer number (925676640).

Almost surely, 2^11834634865 is an apocalyptic number.

It is an amenable number.

11834634865 is a deficient number, since it is larger than the sum of its proper divisors (2976191375).

11834634865 is an equidigital number, since it uses as much as digits as its factorization.

11834634865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787272.

The product of its digits is 1658880, while the sum is 49.

The spelling of 11834634865 in words is "eleven billion, eight hundred thirty-four million, six hundred thirty-four thousand, eight hundred sixty-five".