11432865899 has 32 divisors (see below), whose sum is σ = 14166856704. Its totient is φ = 8984545920.

The previous prime is 11432865893. The next prime is 11432866007. The reversal of 11432865899 is 99856823411.

It is not a de Polignac number, because 11432865899 - 2⁸ = 11432865643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11432865893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12947312 + ... + 12948194.

It is an arithmetic number, because the mean of its divisors is an integer number (442714272).

Almost surely, 2^11432865899 is an apocalyptic number.

11432865899 is a deficient number, since it is larger than the sum of its proper divisors (2733990805).

11432865899 is a wasteful number, since it uses less digits than its factorization.

11432865899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707.

The product of its digits is 3732480, while the sum is 56.

The spelling of 11432865899 in words is "eleven billion, four hundred thirty-two million, eight hundred sixty-five thousand, eight hundred ninety-nine".