111354432253 has 2 divisors, whose sum is σ = 111354432254. Its totient is φ = 111354432252.

The previous prime is 111354432247. The next prime is 111354432313. The reversal of 111354432253 is 352234453111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62962351929 + 48392080324 = 250923^2 + 219982^2 .

It is a cyclic number.

It is not a de Polignac number, because 111354432253 - 2²⁵ = 111320877821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111354402253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55677216126 + 55677216127.

It is an arithmetic number, because the mean of its divisors is an integer number (55677216127).

Almost surely, 2^111354432253 is an apocalyptic number.

It is an amenable number.

111354432253 is a deficient number, since it is larger than the sum of its proper divisors (1).

111354432253 is an equidigital number, since it uses as much as digits as its factorization.

111354432253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

Adding to 111354432253 its reverse (352234453111), we get a palindrome (463588885364).

The spelling of 111354432253 in words is "one hundred eleven billion, three hundred fifty-four million, four hundred thirty-two thousand, two hundred fifty-three".