1117479343681 has 8 divisors (see below), whose sum is σ = 1196231234400. Its totient is φ = 1040721171840.

The previous prime is 1117479343649. The next prime is 1117479343727. The reversal of 1117479343681 is 1863439747111.

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

It is a cyclic number.

It is not a de Polignac number, because 1117479343681 - 2⁵ = 1117479343649 is a prime.

It is a super-2 number, since 2×1117479343681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117479343621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498428560 + ... + 498430801.

It is an arithmetic number, because the mean of its divisors is an integer number (149528904300).

Almost surely, 2^{1117479343681} is an apocalyptic number.

It is an amenable number.

1117479343681 is a deficient number, since it is larger than the sum of its proper divisors (78751890719).

1117479343681 is an equidigital number, since it uses as much as digits as its factorization.

1117479343681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996859439.

The product of its digits is 3048192, while the sum is 55.

The spelling of 1117479343681 in words is "one trillion, one hundred seventeen billion, four hundred seventy-nine million, three hundred forty-three thousand, six hundred eighty-one".