10931999898 has 32 divisors (see below), whose sum is σ = 22587840000. Its totient is φ = 3523553280.

The previous prime is 10931999873. The next prime is 10931999899. The reversal of 10931999898 is 89899913901.

It is not an unprimeable number, because it can be changed into a prime (10931999899) 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, 208786 + ... + 255842.

It is an arithmetic number, because the mean of its divisors is an integer number (705870000).

Almost surely, 2^10931999898 is an apocalyptic number.

10931999898 is an abundant number, since it is smaller than the sum of its proper divisors (11655840102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10931999898 is a wasteful number, since it uses less digits than its factorization.

10931999898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48342.

The product of its (nonzero) digits is 11337408, while the sum is 66.

The spelling of 10931999898 in words is "ten billion, nine hundred thirty-one million, nine hundred ninety-nine thousand, eight hundred ninety-eight".