561334425750 has 96 divisors (see below), whose sum is σ = 1734683805504. Its totient is φ = 128305008000.

The previous prime is 561334425739. The next prime is 561334425781. The reversal of 561334425750 is 57524433165.

561334425750 is a `hidden beast` number, since 5 + 6 + 1 + 3 + 34 + 42 + 575 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 561334425696 and 561334425705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17804391 + ... + 17835890.

It is an arithmetic number, because the mean of its divisors is an integer number (18069622974).

Almost surely, 2^561334425750 is an apocalyptic number.

561334425750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561334425750 is an abundant number, since it is smaller than the sum of its proper divisors (1173349379754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561334425750 is a wasteful number, since it uses less digits than its factorization.

561334425750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35640311 (or 35640298 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 561334425750 in words is "five hundred sixty-one billion, three hundred thirty-four million, four hundred twenty-five thousand, seven hundred fifty".