601611055091 has 4 divisors (see below), whose sum is σ = 601712121192. Its totient is φ = 601509988992.

The previous prime is 601611055051. The next prime is 601611055159. The reversal of 601611055091 is 190550116106.

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 601611055091 - 2⁶ = 601611055027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601611055051) 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, 50524121 + ... + 50536026.

It is an arithmetic number, because the mean of its divisors is an integer number (150428030298).

Almost surely, 2^601611055091 is an apocalyptic number.

601611055091 is a deficient number, since it is larger than the sum of its proper divisors (101066101).

601611055091 is a wasteful number, since it uses less digits than its factorization.

601611055091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101066100.

The product of its (nonzero) digits is 8100, while the sum is 35.

The spelling of 601611055091 in words is "six hundred one billion, six hundred eleven million, fifty-five thousand, ninety-one".