11819535898 has 16 divisors (see below), whose sum is σ = 17766778176. Its totient is φ = 5897291040.

The previous prime is 11819535859. The next prime is 11819535899. The reversal of 11819535898 is 89853591811.

It is a super-2 number, since 2×11819535898² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11819535899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356213 + ... + 2361223.

It is an arithmetic number, because the mean of its divisors is an integer number (1110423636).

Almost surely, 2^11819535898 is an apocalyptic number.

11819535898 is a deficient number, since it is larger than the sum of its proper divisors (5947242278).

11819535898 is a wasteful number, since it uses less digits than its factorization.

11819535898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269.

The product of its digits is 3110400, while the sum is 58.

The spelling of 11819535898 in words is "eleven billion, eight hundred nineteen million, five hundred thirty-five thousand, eight hundred ninety-eight".