5561722833945 has 32 divisors (see below), whose sum is σ = 8932640895360. Its totient is φ = 2954976215040.

The previous prime is 5561722833937. The next prime is 5561722833973. The reversal of 5561722833945 is 5493382271655.

It is not a de Polignac number, because 5561722833945 - 2³ = 5561722833937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4144537 + ... + 5319833.

It is an arithmetic number, because the mean of its divisors is an integer number (279145027980).

Almost surely, 2^{5561722833945} is an apocalyptic number.

It is an amenable number.

5561722833945 is a deficient number, since it is larger than the sum of its proper divisors (3370918061415).

5561722833945 is a wasteful number, since it uses less digits than its factorization.

5561722833945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176505.

The product of its digits is 54432000, while the sum is 60.

The spelling of 5561722833945 in words is "five trillion, five hundred sixty-one billion, seven hundred twenty-two million, eight hundred thirty-three thousand, nine hundred forty-five".