2063156177881 has 2 divisors, whose sum is σ = 2063156177882. Its totient is φ = 2063156177880.

The previous prime is 2063156177879. The next prime is 2063156177899. The reversal of 2063156177881 is 1887716513602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1953889569856 + 109266608025 = 1397816^2 + 330555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063156177881 - 2¹ = 2063156177879 is a prime.

It is a super-2 number, since 2×2063156177881² (a number of 25 digits) contains 22 as substring.

Together with 2063156177879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2063156177851) 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 as a sum of consecutive naturals, namely, 1031578088940 + 1031578088941.

It is an arithmetic number, because the mean of its divisors is an integer number (1031578088941).

Almost surely, 2^{2063156177881} is an apocalyptic number.

It is an amenable number.

2063156177881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063156177881 is an equidigital number, since it uses as much as digits as its factorization.

2063156177881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 2063156177881 in words is "two trillion, sixty-three billion, one hundred fifty-six million, one hundred seventy-seven thousand, eight hundred eighty-one".