111247798045 has 8 divisors (see below), whose sum is σ = 135377602560. Its totient is φ = 87744741840.

The previous prime is 111247798037. The next prime is 111247798063. The reversal of 111247798045 is 540897742111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111247798045 - 2³ = 111247798037 is a prime.

It is a super-2 number, since 2×111247798045² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111247798045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156686685 + ... + 156687394.

It is an arithmetic number, because the mean of its divisors is an integer number (16922200320).

Almost surely, 2^111247798045 is an apocalyptic number.

It is an amenable number.

111247798045 is a deficient number, since it is larger than the sum of its proper divisors (24129804515).

111247798045 is an equidigital number, since it uses as much as digits as its factorization.

111247798045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313374155.

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 111247798045 in words is "one hundred eleven billion, two hundred forty-seven million, seven hundred ninety-eight thousand, forty-five".