56056106000505 has 64 divisors (see below), whose sum is σ = 98039735635968. Its totient is φ = 27182428035840.

The previous prime is 56056106000443. The next prime is 56056106000509. The reversal of 56056106000505 is 50500060165065.

It is not a de Polignac number, because 56056106000505 - 2¹⁴ = 56056105984121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (56056106000509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144134860 + ... + 144523250.

It is an arithmetic number, because the mean of its divisors is an integer number (1531870869312).

Almost surely, 2^{56056106000505} is an apocalyptic number.

It is an amenable number.

56056106000505 is a deficient number, since it is larger than the sum of its proper divisors (41983629635463).

56056106000505 is a wasteful number, since it uses less digits than its factorization.

56056106000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399526.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 56056106000505 in words is "fifty-six trillion, fifty-six billion, one hundred six million, five hundred five", and thus it is an aban number.