561672175055 has 16 divisors (see below), whose sum is σ = 683543168064. Its totient is φ = 442980840960.

The previous prime is 561672174919. The next prime is 561672175079. The reversal of 561672175055 is 550571276165.

561672175055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561672175055 - 2⁸ = 561672174799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561672174994 and 561672175012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6873719 + ... + 6954951.

It is an arithmetic number, because the mean of its divisors is an integer number (42721448004).

Almost surely, 2^561672175055 is an apocalyptic number.

561672175055 is a deficient number, since it is larger than the sum of its proper divisors (121870993009).

561672175055 is a wasteful number, since it uses less digits than its factorization.

561672175055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100786.

The product of its (nonzero) digits is 2205000, while the sum is 50.

The spelling of 561672175055 in words is "five hundred sixty-one billion, six hundred seventy-two million, one hundred seventy-five thousand, fifty-five".