111551435413 has 16 divisors (see below), whose sum is σ = 122547035520. Its totient is φ = 100699934400.

The previous prime is 111551435381. The next prime is 111551435417. The reversal of 111551435413 is 314534155111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111551435413 - 2⁵ = 111551435381 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 (111551435417) 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 15 ways as a sum of consecutive naturals, for example, 1306528 + ... + 1389286.

It is an arithmetic number, because the mean of its divisors is an integer number (7659189720).

Almost surely, 2^111551435413 is an apocalyptic number.

It is an amenable number.

111551435413 is a deficient number, since it is larger than the sum of its proper divisors (10995600107).

111551435413 is a wasteful number, since it uses less digits than its factorization.

111551435413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83628.

The product of its digits is 18000, while the sum is 34.

The spelling of 111551435413 in words is "one hundred eleven billion, five hundred fifty-one million, four hundred thirty-five thousand, four hundred thirteen".