111106201541 has 8 divisors (see below), whose sum is σ = 114941472600. Its totient is φ = 107271198720.

The previous prime is 111106201489. The next prime is 111106201597. The reversal of 111106201541 is 145102601111.

It can be written as a sum of positive squares in 4 ways, for example, as 34310152900 + 76796048641 = 185230^2 + 277121^2 .

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-111106201541 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 (111106251541) 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, 1150745 + ... + 1243553.

It is an arithmetic number, because the mean of its divisors is an integer number (14367684075).

Almost surely, 2^111106201541 is an apocalyptic number.

It is an amenable number.

111106201541 is a deficient number, since it is larger than the sum of its proper divisors (3835271059).

111106201541 is an equidigital number, since it uses as much as digits as its factorization.

111106201541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134119.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 111106201541 its reverse (145102601111), we get a palindrome (256208802652).

The spelling of 111106201541 in words is "one hundred eleven billion, one hundred six million, two hundred one thousand, five hundred forty-one".