2056551101206 has 32 divisors (see below), whose sum is σ = 3649174583040. Its totient is φ = 850499256096.

The previous prime is 2056551101203. The next prime is 2056551101207. The reversal of 2056551101206 is 6021011556502.

It is a super-2 number, since 2×2056551101206² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056551101203) 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, 740460 + ... + 2159023.

It is an arithmetic number, because the mean of its divisors is an integer number (114036705720).

Almost surely, 2^{2056551101206} is an apocalyptic number.

2056551101206 is a deficient number, since it is larger than the sum of its proper divisors (1592623481834).

2056551101206 is a wasteful number, since it uses less digits than its factorization.

2056551101206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901268.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 2056551101206 its reverse (6021011556502), we get a palindrome (8077562657708).

The spelling of 2056551101206 in words is "two trillion, fifty-six billion, five hundred fifty-one million, one hundred one thousand, two hundred six".