11398198819 has 32 divisors (see below), whose sum is σ = 13893632000. Its totient is φ = 9133961760.

The previous prime is 11398198807. The next prime is 11398198837. The reversal of 11398198819 is 91889189311.

11398198819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11398198819 - 2⁵ = 11398198787 is a prime.

It is a super-2 number, since 2×11398198819² (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 (11398190819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3359614 + ... + 3363004.

It is an arithmetic number, because the mean of its divisors is an integer number (434176000).

Almost surely, 2^11398198819 is an apocalyptic number.

11398198819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11398198819 is a deficient number, since it is larger than the sum of its proper divisors (2495433181).

11398198819 is a wasteful number, since it uses less digits than its factorization.

11398198819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743.

The product of its digits is 1119744, while the sum is 58.

The spelling of 11398198819 in words is "eleven billion, three hundred ninety-eight million, one hundred ninety-eight thousand, eight hundred nineteen".