111545402199 has 64 divisors (see below), whose sum is σ = 197200023552. Its totient is φ = 54296409600.

The previous prime is 111545402173. The next prime is 111545402207. The reversal of 111545402199 is 991204545111.

It is not a de Polignac number, because 111545402199 - 2¹² = 111545398103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111545402199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111545402119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 828864 + ... + 953994.

It is an arithmetic number, because the mean of its divisors is an integer number (3081250368).

Almost surely, 2^111545402199 is an apocalyptic number.

111545402199 is a deficient number, since it is larger than the sum of its proper divisors (85654621353).

111545402199 is a wasteful number, since it uses less digits than its factorization.

111545402199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125396.

The product of its (nonzero) digits is 64800, while the sum is 42.

The spelling of 111545402199 in words is "one hundred eleven billion, five hundred forty-five million, four hundred two thousand, one hundred ninety-nine".