881155771115563 has 2 divisors, whose sum is σ = 881155771115564. Its totient is φ = 881155771115562.

The previous prime is 881155771115531. The next prime is 881155771115567. The reversal of 881155771115563 is 365511177551188.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 881155771115563 - 2⁵ = 881155771115531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 881155771115495 and 881155771115504.

It is not a weakly prime, because it can be changed into another prime (881155771115567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440577885557781 + 440577885557782.

It is an arithmetic number, because the mean of its divisors is an integer number (440577885557782).

Almost surely, 2^{881155771115563} is an apocalyptic number.

881155771115563 is a deficient number, since it is larger than the sum of its proper divisors (1).

881155771115563 is an equidigital number, since it uses as much as digits as its factorization.

881155771115563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280000, while the sum is 64.

The spelling of 881155771115563 in words is "eight hundred eighty-one trillion, one hundred fifty-five billion, seven hundred seventy-one million, one hundred fifteen thousand, five hundred sixty-three".