11197559556417 has 8 divisors (see below), whose sum is σ = 16078547055424. Its totient is φ = 6890805880848.

The previous prime is 11197559556397. The next prime is 11197559556437. The reversal of 11197559556417 is 71465595579111.

It is an interprime number because it is at equal distance from previous prime (11197559556397) and next prime (11197559556437).

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

It is not a de Polignac number, because 11197559556417 - 2⁷ = 11197559556289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11197559556437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143558455813 + ... + 143558455890.

It is an arithmetic number, because the mean of its divisors is an integer number (2009818381928).

Almost surely, 2^{11197559556417} is an apocalyptic number.

It is an amenable number.

11197559556417 is a deficient number, since it is larger than the sum of its proper divisors (4880987499007).

11197559556417 is a wasteful number, since it uses less digits than its factorization.

11197559556417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287116911719.

The product of its digits is 59535000, while the sum is 66.

It can be divided in two parts, 11197559 and 556417, that added together give a triangular number (11753976 = T₄₈₄₈).

The spelling of 11197559556417 in words is "eleven trillion, one hundred ninety-seven billion, five hundred fifty-nine million, five hundred fifty-six thousand, four hundred seventeen".