100110600550561 has 4 divisors (see below), whose sum is σ = 101142668597572. Its totient is φ = 99078532503552.

The previous prime is 100110600550549. The next prime is 100110600550637. The reversal of 100110600550561 is 165055006011001.

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 13915734944400 + 86194865606161 = 3730380^2 + 9284119^2 .

It is a cyclic number.

It is not a de Polignac number, because 100110600550561 - 2²³ = 100110592161953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100110600550361) 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, 516034023360 + ... + 516034023553.

It is an arithmetic number, because the mean of its divisors is an integer number (25285667149393).

Almost surely, 2^{100110600550561} is an apocalyptic number.

It is an amenable number.

100110600550561 is a deficient number, since it is larger than the sum of its proper divisors (1032068047011).

100110600550561 is an equidigital number, since it uses as much as digits as its factorization.

100110600550561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032068047010.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 100110600550561 its reverse (165055006011001), we get a palindrome (265165606561562).

The spelling of 100110600550561 in words is "one hundred trillion, one hundred ten billion, six hundred million, five hundred fifty thousand, five hundred sixty-one".