111641562242607 has 4 divisors (see below), whose sum is σ = 148855416323480. Its totient is φ = 74427708161736.

The previous prime is 111641562242599. The next prime is 111641562242647. The reversal of 111641562242607 is 706242265146111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 111641562242607 - 2³ = 111641562242599 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 (111641562242647) 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, 18606927040432 + ... + 18606927040437.

It is an arithmetic number, because the mean of its divisors is an integer number (37213854080870).

Almost surely, 2^{111641562242607} is an apocalyptic number.

111641562242607 is a deficient number, since it is larger than the sum of its proper divisors (37213854080873).

111641562242607 is an equidigital number, since it uses as much as digits as its factorization.

111641562242607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37213854080872.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 111641562242607 in words is "one hundred eleven trillion, six hundred forty-one billion, five hundred sixty-two million, two hundred forty-two thousand, six hundred seven".