2056550157201 has 4 divisors (see below), whose sum is σ = 2742066876272. Its totient is φ = 1371033438132.

The previous prime is 2056550157143. The next prime is 2056550157223. The reversal of 2056550157201 is 1027510556502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2056550157201 - 2²² = 2056545962897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056550157201.

It is not an unprimeable number, because it can be changed into a prime (2056550157241) 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 3 ways as a sum of consecutive naturals, for example, 342758359531 + ... + 342758359536.

It is an arithmetic number, because the mean of its divisors is an integer number (685516719068).

Almost surely, 2^{2056550157201} is an apocalyptic number.

It is an amenable number.

2056550157201 is a deficient number, since it is larger than the sum of its proper divisors (685516719071).

2056550157201 is an equidigital number, since it uses as much as digits as its factorization.

2056550157201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685516719070.

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 2056550157201 in words is "two trillion, fifty-six billion, five hundred fifty million, one hundred fifty-seven thousand, two hundred one".