1111253043455 has 16 divisors (see below), whose sum is σ = 1350535334400. Its totient is φ = 877663303968.

The previous prime is 1111253043431. The next prime is 1111253043487. The reversal of 1111253043455 is 5543403521111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111253043455 - 2³⁰ = 1110179301631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376427 + ... + 1537596.

It is an arithmetic number, because the mean of its divisors is an integer number (84408458400).

Almost surely, 2^{1111253043455} is an apocalyptic number.

1111253043455 is a deficient number, since it is larger than the sum of its proper divisors (239282290945).

1111253043455 is a wasteful number, since it uses less digits than its factorization.

1111253043455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915510.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 1111253043455 its reverse (5543403521111), we get a palindrome (6654656564566).

The spelling of 1111253043455 in words is "one trillion, one hundred eleven billion, two hundred fifty-three million, forty-three thousand, four hundred fifty-five".