561411356 has 24 divisors (see below), whose sum is σ = 1078896000. Its totient is φ = 253494000.

The previous prime is 561411353. The next prime is 561411371. The reversal of 561411356 is 653114165.

561411356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561411353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35606 + ... + 48893.

It is an arithmetic number, because the mean of its divisors is an integer number (44954000).

Almost surely, 2^561411356 is an apocalyptic number.

It is an amenable number.

561411356 is a deficient number, since it is larger than the sum of its proper divisors (517484644).

561411356 is a wasteful number, since it uses less digits than its factorization.

561411356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84665 (or 84663 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 561411356 is about 23694.1207053564. The cubic root of 561411356 is about 824.9489315190.

The spelling of 561411356 in words is "five hundred sixty-one million, four hundred eleven thousand, three hundred fifty-six".