111005550005613 has 4 divisors (see below), whose sum is σ = 148007400007488. Its totient is φ = 74003700003740.

The previous prime is 111005550005611. The next prime is 111005550005633. The reversal of 111005550005613 is 316500055500111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111005550005613 - 2¹ = 111005550005611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111005550005611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18500925000933 + ... + 18500925000938.

It is an arithmetic number, because the mean of its divisors is an integer number (37001850001872).

Almost surely, 2^{111005550005613} is an apocalyptic number.

It is an amenable number.

111005550005613 is a deficient number, since it is larger than the sum of its proper divisors (37001850001875).

111005550005613 is an equidigital number, since it uses as much as digits as its factorization.

111005550005613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37001850001874.

The product of its (nonzero) digits is 11250, while the sum is 33.

The spelling of 111005550005613 in words is "one hundred eleven trillion, five billion, five hundred fifty million, five thousand, six hundred thirteen".