111213320153055 has 16 divisors (see below), whose sum is σ = 185677891038720. Its totient is φ = 56734911150368.

The previous prime is 111213320153029. The next prime is 111213320153093. The reversal of 111213320153055 is 550351023312111.

It is a cyclic number.

It is not a de Polignac number, because 111213320153055 - 2²³ = 111213311764447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161178724515 + ... + 161178725204.

It is an arithmetic number, because the mean of its divisors is an integer number (11604868189920).

Almost surely, 2^{111213320153055} is an apocalyptic number.

111213320153055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111213320153055 is a deficient number, since it is larger than the sum of its proper divisors (74464570885665).

111213320153055 is a wasteful number, since it uses less digits than its factorization.

111213320153055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322357449750.

The product of its (nonzero) digits is 13500, while the sum is 33.

Adding to 111213320153055 its reverse (550351023312111), we get a palindrome (661564343465166).

The spelling of 111213320153055 in words is "one hundred eleven trillion, two hundred thirteen billion, three hundred twenty million, one hundred fifty-three thousand, fifty-five".