56011011061 has 8 divisors (see below), whose sum is σ = 57579891264. Its totient is φ = 54451786080.

The previous prime is 56011011059. The next prime is 56011011169. The reversal of 56011011061 is 16011011065.

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 56011011061 - 2¹ = 56011011059 is a prime.

It is a super-4 number, since 4×56011011061⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56011015061) 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 7 ways as a sum of consecutive naturals, for example, 2402041 + ... + 2425246.

It is an arithmetic number, because the mean of its divisors is an integer number (7197486408).

Almost surely, 2^56011011061 is an apocalyptic number.

It is an amenable number.

56011011061 is a deficient number, since it is larger than the sum of its proper divisors (1568880203).

56011011061 is a wasteful number, since it uses less digits than its factorization.

56011011061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827611.

The product of its (nonzero) digits is 180, while the sum is 22.

The spelling of 56011011061 in words is "fifty-six billion, eleven million, eleven thousand, sixty-one".