561052011347 has 4 divisors (see below), whose sum is σ = 594055070856. Its totient is φ = 528048951840.

The previous prime is 561052011281. The next prime is 561052011367. The reversal of 561052011347 is 743110250165.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 561052011347 - 2¹⁴ = 561051994963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561052011367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16501529729 + ... + 16501529762.

It is an arithmetic number, because the mean of its divisors is an integer number (148513767714).

Almost surely, 2^561052011347 is an apocalyptic number.

561052011347 is a deficient number, since it is larger than the sum of its proper divisors (33003059509).

561052011347 is a wasteful number, since it uses less digits than its factorization.

561052011347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33003059508.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 561052011347 in words is "five hundred sixty-one billion, fifty-two million, eleven thousand, three hundred forty-seven".