61116544567 has 8 divisors (see below), whose sum is σ = 65832033680. Its totient is φ = 56403086400.

The previous prime is 61116544549. The next prime is 61116544571. The reversal of 61116544567 is 76544561116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61116544567 - 2¹¹ = 61116542519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61116544597) 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, 444942 + ... + 565867.

It is an arithmetic number, because the mean of its divisors is an integer number (8229004210).

Almost surely, 2^61116544567 is an apocalyptic number.

61116544567 is a deficient number, since it is larger than the sum of its proper divisors (4715489113).

61116544567 is a wasteful number, since it uses less digits than its factorization.

61116544567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015473.

The product of its digits is 604800, while the sum is 46.

The spelling of 61116544567 in words is "sixty-one billion, one hundred sixteen million, five hundred forty-four thousand, five hundred sixty-seven".