10598399985 has 16 divisors (see below), whose sum is σ = 16959464064. Its totient is φ = 5651805312.

The previous prime is 10598399971. The next prime is 10598400011. The reversal of 10598399985 is 58999389501.

It is not a de Polignac number, because 10598399985 - 2⁷ = 10598399857 is a prime.

It is a super-2 number, since 2×10598399985² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104044 + ... + 178946.

It is an arithmetic number, because the mean of its divisors is an integer number (1059966504).

Almost surely, 2^10598399985 is an apocalyptic number.

10598399985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10598399985 is a deficient number, since it is larger than the sum of its proper divisors (6361064079).

10598399985 is an equidigital number, since it uses as much as digits as its factorization.

10598399985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84344.

The product of its (nonzero) digits is 31492800, while the sum is 66.

The spelling of 10598399985 in words is "ten billion, five hundred ninety-eight million, three hundred ninety-nine thousand, nine hundred eighty-five".