10556611101161 has 8 divisors (see below), whose sum is σ = 10580082247080. Its totient is φ = 10533141577728.

The previous prime is 10556611101133. The next prime is 10556611101193. The reversal of 10556611101161 is 16110111665501.

It can be written as a sum of positive squares in 4 ways, for example, as 3296200015936 + 7260411085225 = 1815544^2 + 2694515^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10556611101161 is a prime.

It is a super-2 number, since 2×10556611101161² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10556611103161) 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, 13122425 + ... + 13903641.

It is an arithmetic number, because the mean of its divisors is an integer number (1322510280885).

Almost surely, 2^{10556611101161} is an apocalyptic number.

It is an amenable number.

10556611101161 is a deficient number, since it is larger than the sum of its proper divisors (23471145919).

10556611101161 is an equidigital number, since it uses as much as digits as its factorization.

10556611101161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811243.

The product of its (nonzero) digits is 5400, while the sum is 35.

Adding to 10556611101161 its reverse (16110111665501), we get a palindrome (26666722766662).

The spelling of 10556611101161 in words is "ten trillion, five hundred fifty-six billion, six hundred eleven million, one hundred one thousand, one hundred sixty-one".