11650198399 has 64 divisors (see below), whose sum is σ = 14418720000. Its totient is φ = 9398592000.

The previous prime is 11650198363. The next prime is 11650198423. The reversal of 11650198399 is 99389105611.

It is not a de Polignac number, because 11650198399 - 2¹⁷ = 11650067327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11650198309) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78189177 + ... + 78189325.

It is an arithmetic number, because the mean of its divisors is an integer number (225292500).

Almost surely, 2^11650198399 is an apocalyptic number.

11650198399 is a deficient number, since it is larger than the sum of its proper divisors (2768521601).

11650198399 is a wasteful number, since it uses less digits than its factorization.

11650198399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 52.

The spelling of 11650198399 in words is "eleven billion, six hundred fifty million, one hundred ninety-eight thousand, three hundred ninety-nine".