56180130503081 has 8 divisors (see below), whose sum is σ = 61977329711304. Its totient is φ = 50593738538880.

The previous prime is 56180130502973. The next prime is 56180130503129. The reversal of 56180130503081 is 18030503108165.

56180130503081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2777358904681 + 53402771598400 = 1666541^2 + 7307720^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56180130503081 is a prime.

It is a super-2 number, since 2×56180130503081² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56180130553081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52701810446 + ... + 52701811511.

It is an arithmetic number, because the mean of its divisors is an integer number (7747166213913).

Almost surely, 2^{56180130503081} is an apocalyptic number.

It is an amenable number.

56180130503081 is a deficient number, since it is larger than the sum of its proper divisors (5797199208223).

56180130503081 is a wasteful number, since it uses less digits than its factorization.

56180130503081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105403622011.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 56180130503081 in words is "fifty-six trillion, one hundred eighty billion, one hundred thirty million, five hundred three thousand, eighty-one".