111001425145 has 8 divisors (see below), whose sum is σ = 143447995656. Its totient is φ = 81970283136.

The previous prime is 111001425127. The next prime is 111001425169. The reversal of 111001425145 is 541524100111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26512957584 + 84488467561 = 162828^2 + 290669^2 .

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 111001425145 - 2¹⁷ = 111001294073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853857052 + ... + 853857181.

It is an arithmetic number, because the mean of its divisors is an integer number (17930999457).

Almost surely, 2^111001425145 is an apocalyptic number.

It is an amenable number.

111001425145 is a deficient number, since it is larger than the sum of its proper divisors (32446570511).

111001425145 is a wasteful number, since it uses less digits than its factorization.

111001425145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707714251.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 111001425145 its reverse (541524100111), we get a palindrome (652525525256).

The spelling of 111001425145 in words is "one hundred eleven billion, one million, four hundred twenty-five thousand, one hundred forty-five".