111434553455 has 16 divisors (see below), whose sum is σ = 141900456960. Its totient is φ = 83826370848.

The previous prime is 111434553431. The next prime is 111434553473. The reversal of 111434553455 is 554355434111.

It is a cyclic number.

It is not a de Polignac number, because 111434553455 - 2⁸ = 111434553199 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, 8205047 + ... + 8218616.

It is an arithmetic number, because the mean of its divisors is an integer number (8868778560).

Almost surely, 2^111434553455 is an apocalyptic number.

111434553455 is a deficient number, since it is larger than the sum of its proper divisors (30465903505).

111434553455 is a wasteful number, since it uses less digits than its factorization.

111434553455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16423750.

The product of its digits is 360000, while the sum is 41.

Adding to 111434553455 its reverse (554355434111), we get a palindrome (665789987566).

The spelling of 111434553455 in words is "one hundred eleven billion, four hundred thirty-four million, five hundred fifty-three thousand, four hundred fifty-five".