10885599899 has 4 divisors (see below), whose sum is σ = 10902118920. Its totient is φ = 10869080880.

The previous prime is 10885599889. The next prime is 10885599913. The reversal of 10885599899 is 99899558801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10885599899 - 2³² = 6590632603 is a prime.

It is a super-2 number, since 2×10885599899² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10885599839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8258522 + ... + 8259839.

It is an arithmetic number, because the mean of its divisors is an integer number (2725529730).

Almost surely, 2^10885599899 is an apocalyptic number.

10885599899 is a deficient number, since it is larger than the sum of its proper divisors (16519021).

10885599899 is an equidigital number, since it uses as much as digits as its factorization.

10885599899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16519020.

The product of its (nonzero) digits is 83980800, while the sum is 71.

The spelling of 10885599899 in words is "ten billion, eight hundred eighty-five million, five hundred ninety-nine thousand, eight hundred ninety-nine".