110556702155561 has 4 divisors (see below), whose sum is σ = 110761058352324. Its totient is φ = 110352345958800.

The previous prime is 110556702155551. The next prime is 110556702155611. The reversal of 110556702155561 is 165551207655011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21247776039961 + 89308926115600 = 4609531^2 + 9450340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110556702155561 is a prime.

It is a super-4 number, since 4×110556702155561⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110556702155551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102178097570 + ... + 102178098651.

It is an arithmetic number, because the mean of its divisors is an integer number (27690264588081).

Almost surely, 2^{110556702155561} is an apocalyptic number.

It is an amenable number.

110556702155561 is a deficient number, since it is larger than the sum of its proper divisors (204356196763).

110556702155561 is an equidigital number, since it uses as much as digits as its factorization.

110556702155561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204356196762.

The product of its (nonzero) digits is 1575000, while the sum is 50.

It can be divided in two parts, 11055670 and 2155561, that added together give a palindrome (13211231).

The spelling of 110556702155561 in words is "one hundred ten trillion, five hundred fifty-six billion, seven hundred two million, one hundred fifty-five thousand, five hundred sixty-one".