111361532255 has 4 divisors (see below), whose sum is σ = 133633838712. Its totient is φ = 89089225800.

The previous prime is 111361532213. The next prime is 111361532257. The reversal of 111361532255 is 552235163111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552235163111 = 69857 ⋅7905223.

It is not a de Polignac number, because 111361532255 - 2¹⁶ = 111361466719 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 (111361532257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11136153221 + ... + 11136153230.

It is an arithmetic number, because the mean of its divisors is an integer number (33408459678).

Almost surely, 2^111361532255 is an apocalyptic number.

111361532255 is a deficient number, since it is larger than the sum of its proper divisors (22272306457).

111361532255 is an equidigital number, since it uses as much as digits as its factorization.

111361532255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272306456.

The product of its digits is 27000, while the sum is 35.

Adding to 111361532255 its reverse (552235163111), we get a palindrome (663596695366).

The spelling of 111361532255 in words is "one hundred eleven billion, three hundred sixty-one million, five hundred thirty-two thousand, two hundred fifty-five".