11115701617 has 8 divisors (see below), whose sum is σ = 11811456072. Its totient is φ = 10424601600.

The previous prime is 11115701591. The next prime is 11115701669. The reversal of 11115701617 is 71610751111.

It can be written as a sum of positive squares in 4 ways, for example, as 7863965041 + 3251736576 = 88679^2 + 57024^2 .

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 11115701617 - 2¹⁵ = 11115668849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11115711617) 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, 1158684 + ... + 1168237.

It is an arithmetic number, because the mean of its divisors is an integer number (1476432009).

Almost surely, 2^11115701617 is an apocalyptic number.

11115701617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11115701617 is a deficient number, since it is larger than the sum of its proper divisors (695754455).

11115701617 is a wasteful number, since it uses less digits than its factorization.

11115701617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327219.

The product of its (nonzero) digits is 1470, while the sum is 31.

The spelling of 11115701617 in words is "eleven billion, one hundred fifteen million, seven hundred one thousand, six hundred seventeen".