111034053553 has 4 divisors (see below), whose sum is σ = 114615797248. Its totient is φ = 107452309860.

The previous prime is 111034053551. The next prime is 111034053577. The reversal of 111034053553 is 355350430111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355350430111 = 1319 ⋅269408969.

It is a cyclic number.

It is not a de Polignac number, because 111034053553 - 2¹ = 111034053551 is a prime.

It is a super-2 number, since 2×111034053553² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 3581743663 = 111034053553 / (1 + 1 + 1 + 0 + 3 + 4 + 0 + 5 + 3 + 5 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111034053551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790871801 + ... + 1790871862.

It is an arithmetic number, because the mean of its divisors is an integer number (28653949312).

Almost surely, 2^111034053553 is an apocalyptic number.

It is an amenable number.

111034053553 is a deficient number, since it is larger than the sum of its proper divisors (3581743695).

111034053553 is an equidigital number, since it uses as much as digits as its factorization.

111034053553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581743694.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 111034053553 its reverse (355350430111), we get a palindrome (466384483664).

The spelling of 111034053553 in words is "one hundred eleven billion, thirty-four million, fifty-three thousand, five hundred fifty-three".