61110501565061 has 4 divisors (see below), whose sum is σ = 65811309377772. Its totient is φ = 56409693752352.

The previous prime is 61110501565013. The next prime is 61110501565067. The reversal of 61110501565061 is 16056510501116.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27462903136036 + 33647598429025 = 5240506^2 + 5800655^2 .

It is a cyclic number.

It is not a de Polignac number, because 61110501565061 - 2³⁴ = 61093321695877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61110501565067) 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, 2350403906336 + ... + 2350403906361.

It is an arithmetic number, because the mean of its divisors is an integer number (16452827344443).

Almost surely, 2^{61110501565061} is an apocalyptic number.

It is an amenable number.

61110501565061 is a deficient number, since it is larger than the sum of its proper divisors (4700807812711).

61110501565061 is a wasteful number, since it uses less digits than its factorization.

61110501565061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700807812710.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 61110501565061 in words is "sixty-one trillion, one hundred ten billion, five hundred one million, five hundred sixty-five thousand, sixty-one".