111543450410561 has 8 divisors (see below), whose sum is σ = 120124562148864. Its totient is φ = 102962459575440.

The previous prime is 111543450410527. The next prime is 111543450410563. The reversal of 111543450410561 is 165014054345111.

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

It is a cyclic number.

It is not a de Polignac number, because 111543450410561 - 2⁴⁶ = 41174706232897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111543450410563) 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, 28305131 + ... + 32004176.

It is an arithmetic number, because the mean of its divisors is an integer number (15015570268608).

Almost surely, 2^{111543450410561} is an apocalyptic number.

It is an amenable number.

111543450410561 is a deficient number, since it is larger than the sum of its proper divisors (8581111738303).

111543450410561 is a wasteful number, since it uses less digits than its factorization.

111543450410561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60451591.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 111543450410561 in words is "one hundred eleven trillion, five hundred forty-three billion, four hundred fifty million, four hundred ten thousand, five hundred sixty-one".