555551110601 has 4 divisors (see below), whose sum is σ = 555596132352. Its totient is φ = 555506088852.

The previous prime is 555551110483. The next prime is 555551110627. The reversal of 555551110601 is 106011155555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106011155555 = 5 ⋅21202231111.

It is a cyclic number.

It is not a de Polignac number, because 555551110601 - 2³⁰ = 554477368777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555551110661) 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 3 ways as a sum of consecutive naturals, for example, 22492361 + ... + 22517046.

It is an arithmetic number, because the mean of its divisors is an integer number (138899033088).

Almost surely, 2^555551110601 is an apocalyptic number.

It is an amenable number.

555551110601 is a deficient number, since it is larger than the sum of its proper divisors (45021751).

555551110601 is a wasteful number, since it uses less digits than its factorization.

555551110601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45021750.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 555551110601 in words is "five hundred fifty-five billion, five hundred fifty-one million, one hundred ten thousand, six hundred one".