561000655058 has 4 divisors (see below), whose sum is σ = 841500982590. Its totient is φ = 280500327528.

The previous prime is 561000655051. The next prime is 561000655123. The reversal of 561000655058 is 850556000165.

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

It can be written as a sum of positive squares in only one way, i.e., 444933023089 + 116067631969 = 667033^2 + 340687^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (561000655051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140250163763 + ... + 140250163766.

Almost surely, 2^561000655058 is an apocalyptic number.

561000655058 is a deficient number, since it is larger than the sum of its proper divisors (280500327532).

561000655058 is a wasteful number, since it uses less digits than its factorization.

561000655058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280500327531.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 561000655058 in words is "five hundred sixty-one billion, six hundred fifty-five thousand, fifty-eight".