561060510061 has 8 divisors (see below), whose sum is σ = 584472627200. Its totient is φ = 537980479920.

The previous prime is 561060510047. The next prime is 561060510079. The reversal of 561060510061 is 160015060165.

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-561060510061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561060510761) 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, 83018301 + ... + 83025058.

It is an arithmetic number, because the mean of its divisors is an integer number (73059078400).

Almost surely, 2^561060510061 is an apocalyptic number.

It is an amenable number.

561060510061 is a deficient number, since it is larger than the sum of its proper divisors (23412117139).

561060510061 is a wasteful number, since it uses less digits than its factorization.

561060510061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166043499.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 561060510061 in words is "five hundred sixty-one billion, sixty million, five hundred ten thousand, sixty-one".