610111105601 has 8 divisors (see below), whose sum is σ = 610501141608. Its totient is φ = 609721200000.

The previous prime is 610111105553. The next prime is 610111105613. The reversal of 610111105601 is 106501111016.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8648814001 + 601462291600 = 92999^2 + 775540^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610111105601 is a prime.

It is a super-2 number, since 2×610111105601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610111105621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10357091 + ... + 10415831.

It is an arithmetic number, because the mean of its divisors is an integer number (76312642701).

Almost surely, 2^610111105601 is an apocalyptic number.

It is an amenable number.

610111105601 is a deficient number, since it is larger than the sum of its proper divisors (390036007).

610111105601 is a wasteful number, since it uses less digits than its factorization.

610111105601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65203.

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 610111105601 its reverse (106501111016), we get a palindrome (716612216617).

The spelling of 610111105601 in words is "six hundred ten billion, one hundred eleven million, one hundred five thousand, six hundred one".