561050505615 has 32 divisors (see below), whose sum is σ = 904014014400. Its totient is φ = 297117241344.

The previous prime is 561050505599. The next prime is 561050505619. The reversal of 561050505615 is 516505050165.

It is not a de Polignac number, because 561050505615 - 2⁴ = 561050505599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561050505619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6746367 + ... + 6829023.

It is an arithmetic number, because the mean of its divisors is an integer number (28250437950).

Almost surely, 2^561050505615 is an apocalyptic number.

561050505615 is a deficient number, since it is larger than the sum of its proper divisors (342963508785).

561050505615 is a wasteful number, since it uses less digits than its factorization.

561050505615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85851.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 561050505615 in words is "five hundred sixty-one billion, fifty million, five hundred five thousand, six hundred fifteen".