561100010047 has 2 divisors, whose sum is σ = 561100010048. Its totient is φ = 561100010046.

The previous prime is 561100010033. The next prime is 561100010083. The reversal of 561100010047 is 740010001165.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561100010047 - 2¹⁵ = 561099977279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561100014047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280550005023 + 280550005024.

It is an arithmetic number, because the mean of its divisors is an integer number (280550005024).

Almost surely, 2^561100010047 is an apocalyptic number.

561100010047 is a deficient number, since it is larger than the sum of its proper divisors (1).

561100010047 is an equidigital number, since it uses as much as digits as its factorization.

561100010047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 561100010047 in words is "five hundred sixty-one billion, one hundred million, ten thousand, forty-seven".