561797295098 has 16 divisors (see below), whose sum is σ = 907551869280. Its totient is φ = 259281584496.

The previous prime is 561797295097. The next prime is 561797295107. The reversal of 561797295098 is 890592797165.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (561797295097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357473 + ... + 1118651.

It is an arithmetic number, because the mean of its divisors is an integer number (56721991830).

Almost surely, 2^561797295098 is an apocalyptic number.

561797295098 is a deficient number, since it is larger than the sum of its proper divisors (345754574182).

561797295098 is a wasteful number, since it uses less digits than its factorization.

561797295098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789581.

The product of its (nonzero) digits is 85730400, while the sum is 68.

The spelling of 561797295098 in words is "five hundred sixty-one billion, seven hundred ninety-seven million, two hundred ninety-five thousand, ninety-eight".