1100198026447 has 16 divisors (see below), whose sum is σ = 1199778306048. Its totient is φ = 1002767182560.

The previous prime is 1100198026387. The next prime is 1100198026471. The reversal of 1100198026447 is 7446208910011.

It is a de Polignac number, because none of the positive numbers 2^k-1100198026447 is a prime.

It is a super-2 number, since 2×1100198026447² (a number of 25 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 (1100198026547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1637922 + ... + 2209792.

It is an arithmetic number, because the mean of its divisors is an integer number (74986144128).

Almost surely, 2^{1100198026447} is an apocalyptic number.

1100198026447 is a deficient number, since it is larger than the sum of its proper divisors (99580279601).

1100198026447 is a wasteful number, since it uses less digits than its factorization.

1100198026447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573750.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 1100198026447 in words is "one trillion, one hundred billion, one hundred ninety-eight million, twenty-six thousand, four hundred forty-seven".