111641957563 has 8 divisors (see below), whose sum is σ = 112152757248. Its totient is φ = 111131249064.

The previous prime is 111641957549. The next prime is 111641957569. The reversal of 111641957563 is 365759146111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111641957563 is a prime.

It is a super-3 number, since 3×111641957563³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111641957569) 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, 4211970 + ... + 4238392.

It is an arithmetic number, because the mean of its divisors is an integer number (14019094656).

Almost surely, 2^111641957563 is an apocalyptic number.

111641957563 is a deficient number, since it is larger than the sum of its proper divisors (510799685).

111641957563 is a wasteful number, since it uses less digits than its factorization.

111641957563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45593.

The product of its digits is 680400, while the sum is 49.

The spelling of 111641957563 in words is "one hundred eleven billion, six hundred forty-one million, nine hundred fifty-seven thousand, five hundred sixty-three".