111204242653 has 16 divisors (see below), whose sum is σ = 131487528960. Its totient is φ = 92020924800.

The previous prime is 111204242603. The next prime is 111204242657. The reversal of 111204242653 is 356242402111.

It is not a de Polignac number, because 111204242653 - 2¹³ = 111204234461 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 (111204242657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222673 + ... + 2272153.

It is an arithmetic number, because the mean of its divisors is an integer number (8217970560).

Almost surely, 2^111204242653 is an apocalyptic number.

It is an amenable number.

111204242653 is a deficient number, since it is larger than the sum of its proper divisors (20283286307).

111204242653 is a wasteful number, since it uses less digits than its factorization.

111204242653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60588.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 111204242653 its reverse (356242402111), we get a palindrome (467446644764).

The spelling of 111204242653 in words is "one hundred eleven billion, two hundred four million, two hundred forty-two thousand, six hundred fifty-three".