56123501287 has 8 divisors (see below), whose sum is σ = 64157542400. Its totient is φ = 48093559704.

The previous prime is 56123501281. The next prime is 56123501347. The reversal of 56123501287 is 78210532165.

56123501287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56123501287 - 2¹⁹ = 56122976999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56123501281) 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, 995487 + ... + 1050352.

It is an arithmetic number, because the mean of its divisors is an integer number (8019692800).

Almost surely, 2^56123501287 is an apocalyptic number.

56123501287 is a deficient number, since it is larger than the sum of its proper divisors (8034041113).

56123501287 is a wasteful number, since it uses less digits than its factorization.

56123501287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049765.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 56123501287 in words is "fifty-six billion, one hundred twenty-three million, five hundred one thousand, two hundred eighty-seven".