61001010061 has 8 divisors (see below), whose sum is σ = 61314684800. Its totient is φ = 60687407088.

The previous prime is 61001010047. The next prime is 61001010143. The reversal of 61001010061 is 16001010016.

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

It is a cyclic number.

It is not a de Polignac number, because 61001010061 - 2⁵ = 61001010029 is a prime.

It is a super-2 number, since 2×61001010061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001010001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2856355 + ... + 2877631.

It is an arithmetic number, because the mean of its divisors is an integer number (7664335600).

Almost surely, 2^61001010061 is an apocalyptic number.

It is an amenable number.

61001010061 is a deficient number, since it is larger than the sum of its proper divisors (313674739).

61001010061 is a wasteful number, since it uses less digits than its factorization.

61001010061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35883.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 61001010061 its reverse (16001010016), we get a palindrome (77002020077).

The spelling of 61001010061 in words is "sixty-one billion, one million, ten thousand, sixty-one".