111153230653 has 4 divisors (see below), whose sum is σ = 114157372060. Its totient is φ = 108149089248.

The previous prime is 111153230647. The next prime is 111153230689. The reversal of 111153230653 is 356032351111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356032351111 = 59 ⋅6034446629.

It can be written as a sum of positive squares in 2 ways, for example, as 100477588324 + 10675642329 = 316982^2 + 103323^2 .

It is a cyclic number.

It is not a de Polignac number, because 111153230653 - 2⁹ = 111153230141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111153230053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1502070648 + ... + 1502070721.

It is an arithmetic number, because the mean of its divisors is an integer number (28539343015).

Almost surely, 2^111153230653 is an apocalyptic number.

It is an amenable number.

111153230653 is a deficient number, since it is larger than the sum of its proper divisors (3004141407).

111153230653 is an equidigital number, since it uses as much as digits as its factorization.

111153230653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004141406.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 111153230653 its reverse (356032351111), we get a palindrome (467185581764).

The spelling of 111153230653 in words is "one hundred eleven billion, one hundred fifty-three million, two hundred thirty thousand, six hundred fifty-three".