111442410155541 has 16 divisors (see below), whose sum is σ = 148945006303488. Its totient is φ = 74117382225600.

The previous prime is 111442410155521. The next prime is 111442410155563. The reversal of 111442410155541 is 145551014244111.

It is not a de Polignac number, because 111442410155541 - 2⁵ = 111442410155509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111442410155541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111442410155521) 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 15 ways as a sum of consecutive naturals, for example, 90756820 + ... + 91976546.

It is an arithmetic number, because the mean of its divisors is an integer number (9309062893968).

Almost surely, 2^{111442410155541} is an apocalyptic number.

It is an amenable number.

111442410155541 is a deficient number, since it is larger than the sum of its proper divisors (37502596147947).

111442410155541 is a wasteful number, since it uses less digits than its factorization.

111442410155541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292492.

The product of its (nonzero) digits is 64000, while the sum is 39.

Adding to 111442410155541 its reverse (145551014244111), we get a palindrome (256993424399652).

The spelling of 111442410155541 in words is "one hundred eleven trillion, four hundred forty-two billion, four hundred ten million, one hundred fifty-five thousand, five hundred forty-one".