111545022045 has 32 divisors (see below), whose sum is σ = 189049427712. Its totient is φ = 55967808512.

The previous prime is 111545022031. The next prime is 111545022067. The reversal of 111545022045 is 540220545111.

It is a cyclic number.

It is not a de Polignac number, because 111545022045 - 2⁶ = 111545021981 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 527599 + ... + 708131.

It is an arithmetic number, because the mean of its divisors is an integer number (5907794616).

Almost surely, 2^111545022045 is an apocalyptic number.

111545022045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111545022045 is a deficient number, since it is larger than the sum of its proper divisors (77504405667).

111545022045 is a wasteful number, since it uses less digits than its factorization.

111545022045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182981.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 111545022045 its reverse (540220545111), we get a palindrome (651765567156).

The spelling of 111545022045 in words is "one hundred eleven billion, five hundred forty-five million, twenty-two thousand, forty-five".