11615820198 has 8 divisors (see below), whose sum is σ = 23231640408. Its totient is φ = 3871940064.

The previous prime is 11615820149. The next prime is 11615820211. The reversal of 11615820198 is 89102851611.

It is a sphenic number, since it is the product of 3 distinct primes.

11615820198 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967985011 + ... + 967985022.

It is an arithmetic number, because the mean of its divisors is an integer number (2903955051).

Almost surely, 2^11615820198 is an apocalyptic number.

11615820198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11615820198 is a wasteful number, since it uses less digits than its factorization.

11615820198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935970038.

The product of its (nonzero) digits is 34560, while the sum is 42.

The spelling of 11615820198 in words is "eleven billion, six hundred fifteen million, eight hundred twenty thousand, one hundred ninety-eight".