56156101611589 has 8 divisors (see below), whose sum is σ = 65543899753728. Its totient is φ = 47109677947440.

The previous prime is 56156101611551. The next prime is 56156101611607. The reversal of 56156101611589 is 98511610165165.

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 56156101611589 - 2¹⁷ = 56156101480517 is a prime.

It is a super-4 number, since 4×56156101611589⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56156107611589) 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, 85343619142 + ... + 85343619799.

It is an arithmetic number, because the mean of its divisors is an integer number (8192987469216).

Almost surely, 2^{56156101611589} is an apocalyptic number.

It is an amenable number.

56156101611589 is a deficient number, since it is larger than the sum of its proper divisors (9387798142139).

56156101611589 is a wasteful number, since it uses less digits than its factorization.

56156101611589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170687238995.

The product of its (nonzero) digits is 1944000, while the sum is 55.

The spelling of 56156101611589 in words is "fifty-six trillion, one hundred fifty-six billion, one hundred one million, six hundred eleven thousand, five hundred eighty-nine".