2256553532291 has 2 divisors, whose sum is σ = 2256553532292. Its totient is φ = 2256553532290.

The previous prime is 2256553532267. The next prime is 2256553532333. The reversal of 2256553532291 is 1922353556522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2256553532291 - 2¹⁴ = 2256553515907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2256553532221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128276766145 + 1128276766146.

It is an arithmetic number, because the mean of its divisors is an integer number (1128276766146).

Almost surely, 2^{2256553532291} is an apocalyptic number.

2256553532291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256553532291 is an equidigital number, since it uses as much as digits as its factorization.

2256553532291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860000, while the sum is 50.

The spelling of 2256553532291 in words is "two trillion, two hundred fifty-six billion, five hundred fifty-three million, five hundred thirty-two thousand, two hundred ninety-one".