1117441256745 has 32 divisors (see below), whose sum is σ = 1951992483840. Its totient is φ = 541359266240.

The previous prime is 1117441256653. The next prime is 1117441256749. The reversal of 1117441256745 is 5476521447111.

It is not a de Polignac number, because 1117441256745 - 2¹⁴ = 1117441240361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1117441256694 and 1117441256703.

It is not an unprimeable number, because it can be changed into a prime (1117441256749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2481849 + ... + 2897318.

It is an arithmetic number, because the mean of its divisors is an integer number (60999765120).

Almost surely, 2^{1117441256745} is an apocalyptic number.

1117441256745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1117441256745 is a deficient number, since it is larger than the sum of its proper divisors (834551227095).

1117441256745 is a wasteful number, since it uses less digits than its factorization.

1117441256745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380445.

The product of its digits is 940800, while the sum is 48.

The spelling of 1117441256745 in words is "one trillion, one hundred seventeen billion, four hundred forty-one million, two hundred fifty-six thousand, seven hundred forty-five".