56105555051001 has 16 divisors (see below), whose sum is σ = 75050041183488. Its totient is φ = 37282407052800.

The previous prime is 56105555050981. The next prime is 56105555051017. The reversal of 56105555051001 is 10015055550165.

It is not a de Polignac number, because 56105555051001 - 2¹⁹ = 56105554526713 is a prime.

It is a super-2 number, since 2×56105555051001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56105555051071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8148841 + ... + 13364681.

It is an arithmetic number, because the mean of its divisors is an integer number (4690627573968).

Almost surely, 2^{56105555051001} is an apocalyptic number.

It is an amenable number.

56105555051001 is a deficient number, since it is larger than the sum of its proper divisors (18944486132487).

56105555051001 is a wasteful number, since it uses less digits than its factorization.

56105555051001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227472.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 56105555051001 in words is "fifty-six trillion, one hundred five billion, five hundred fifty-five million, fifty-one thousand, one".