561607877750 has 16 divisors (see below), whose sum is σ = 1051329947616. Its totient is φ = 224643151000.

The previous prime is 561607877741. The next prime is 561607877773. The reversal of 561607877750 is 57778706165.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 561607877750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123215506 + ... + 1123216005.

It is an arithmetic number, because the mean of its divisors is an integer number (65708121726).

Almost surely, 2^561607877750 is an apocalyptic number.

561607877750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561607877750 is a deficient number, since it is larger than the sum of its proper divisors (489722069866).

561607877750 is a wasteful number, since it uses less digits than its factorization.

561607877750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246431528 (or 2246431518 counting only the distinct ones).

The product of its (nonzero) digits is 17287200, while the sum is 59.

The spelling of 561607877750 in words is "five hundred sixty-one billion, six hundred seven million, eight hundred seventy-seven thousand, seven hundred fifty".