2056371280129 has 8 divisors (see below), whose sum is σ = 2058533877608. Its totient is φ = 2054208885120.

The previous prime is 2056371280097. The next prime is 2056371280231. The reversal of 2056371280129 is 9210821736502.

It can be written as a sum of positive squares in 4 ways, for example, as 629242389504 + 1427128890625 = 793248^2 + 1194625^2 .

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 2056371280129 - 2⁵ = 2056371280097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056371283129) 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, 28798579 + ... + 28869895.

It is an arithmetic number, because the mean of its divisors is an integer number (257316734701).

Almost surely, 2^{2056371280129} is an apocalyptic number.

It is an amenable number.

2056371280129 is a deficient number, since it is larger than the sum of its proper divisors (2162597479).

2056371280129 is an equidigital number, since it uses as much as digits as its factorization.

2056371280129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101235.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 2056371280129 in words is "two trillion, fifty-six billion, three hundred seventy-one million, two hundred eighty thousand, one hundred twenty-nine".