111060060600561 has 4 divisors (see below), whose sum is σ = 148080080800752. Its totient is φ = 74040040400372.

The previous prime is 111060060600539. The next prime is 111060060600617. The reversal of 111060060600561 is 165006060060111.

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.

It is a cyclic number.

It is not a de Polignac number, because 111060060600561 - 2²⁶ = 111059993491697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111060060601561) 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, 18510010100091 + ... + 18510010100096.

It is an arithmetic number, because the mean of its divisors is an integer number (37020020200188).

Almost surely, 2^{111060060600561} is an apocalyptic number.

It is an amenable number.

111060060600561 is a deficient number, since it is larger than the sum of its proper divisors (37020020200191).

111060060600561 is an equidigital number, since it uses as much as digits as its factorization.

111060060600561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37020020200190.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 111060060600561 in words is "one hundred eleven trillion, sixty billion, sixty million, six hundred thousand, five hundred sixty-one".