561051005087 has 2 divisors, whose sum is σ = 561051005088. Its totient is φ = 561051005086.

The previous prime is 561051005051. The next prime is 561051005101. The reversal of 561051005087 is 780500150165.

It is a happy number.

561051005087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561051005087 - 2⁸ = 561051004831 is a prime.

It is a super-3 number, since 3×561051005087³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 561051005087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561051005017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280525502543 + 280525502544.

It is an arithmetic number, because the mean of its divisors is an integer number (280525502544).

Almost surely, 2^561051005087 is an apocalyptic number.

561051005087 is a deficient number, since it is larger than the sum of its proper divisors (1).

561051005087 is an equidigital number, since it uses as much as digits as its factorization.

561051005087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 38.

The spelling of 561051005087 in words is "five hundred sixty-one billion, fifty-one million, five thousand, eighty-seven".