61001105606061 has 16 divisors (see below), whose sum is σ = 84139954113600. Its totient is φ = 39264847021568.

The previous prime is 61001105605931. The next prime is 61001105606071. The reversal of 61001105606061 is 16060650110016.

It is a cyclic number.

It is not a de Polignac number, because 61001105606061 - 2¹¹ = 61001105604013 is a prime.

It is a super-2 number, since 2×61001105606061² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001105606071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13361050 + ... + 17335508.

It is an arithmetic number, because the mean of its divisors is an integer number (5258747132100).

Almost surely, 2^{61001105606061} is an apocalyptic number.

It is an amenable number.

61001105606061 is a deficient number, since it is larger than the sum of its proper divisors (23138848507539).

61001105606061 is a wasteful number, since it uses less digits than its factorization.

61001105606061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150908.

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

Adding to 61001105606061 its reverse (16060650110016), we get a palindrome (77061755716077).

The spelling of 61001105606061 in words is "sixty-one trillion, one billion, one hundred five million, six hundred six thousand, sixty-one".