110556005551 has 4 divisors (see below), whose sum is σ = 110706833032. Its totient is φ = 110405178072.

The previous prime is 110556005533. The next prime is 110556005621. The reversal of 110556005551 is 155500655011.

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

It is a cyclic number.

It is not a de Polignac number, because 110556005551 - 2¹⁹ = 110555481263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110556105551) 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, 75412641 + ... + 75414106.

It is an arithmetic number, because the mean of its divisors is an integer number (27676708258).

Almost surely, 2^110556005551 is an apocalyptic number.

110556005551 is a deficient number, since it is larger than the sum of its proper divisors (150827481).

110556005551 is an equidigital number, since it uses as much as digits as its factorization.

110556005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150827480.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 110556005551 in words is "one hundred ten billion, five hundred fifty-six million, five thousand, five hundred fifty-one".