111505341544013 has 4 divisors (see below), whose sum is σ = 117374043730560. Its totient is φ = 105636639357468.

The previous prime is 111505341543983. The next prime is 111505341544033. The reversal of 111505341544013 is 310445143505111.

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 111505341544013 - 2²² = 111505337349709 is a prime.

It is a super-2 number, since 2×111505341544013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111505341544033) 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, 2934351093245 + ... + 2934351093282.

It is an arithmetic number, because the mean of its divisors is an integer number (29343510932640).

Almost surely, 2^{111505341544013} is an apocalyptic number.

It is an amenable number.

111505341544013 is a deficient number, since it is larger than the sum of its proper divisors (5868702186547).

111505341544013 is an equidigital number, since it uses as much as digits as its factorization.

111505341544013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868702186546.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 111505341544013 in words is "one hundred eleven trillion, five hundred five billion, three hundred forty-one million, five hundred forty-four thousand, thirteen".