111411245145 has 16 divisors (see below), whose sum is σ = 181621351872. Its totient is φ = 58298210880.

The previous prime is 111411245131. The next prime is 111411245147. The reversal of 111411245145 is 541542114111.

It is not a de Polignac number, because 111411245145 - 2¹⁰ = 111411244121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111411245147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70069171 + ... + 70070760.

It is an arithmetic number, because the mean of its divisors is an integer number (11351334492).

Almost surely, 2^111411245145 is an apocalyptic number.

111411245145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111411245145 is a deficient number, since it is larger than the sum of its proper divisors (70210106727).

111411245145 is a wasteful number, since it uses less digits than its factorization.

111411245145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140139992.

The product of its digits is 3200, while the sum is 30.

Adding to 111411245145 its reverse (541542114111), we get a palindrome (652953359256).

The spelling of 111411245145 in words is "one hundred eleven billion, four hundred eleven million, two hundred forty-five thousand, one hundred forty-five".