881225811 has 10 divisors (see below), whose sum is σ = 1316399172. Its totient is φ = 587483820.

The previous prime is 881225797. The next prime is 881225819. The reversal of 881225811 is 118522188.

It is not a de Polignac number, because 881225811 - 2¹⁸ = 880963667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (881225819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5439585 + ... + 5439746.

Almost surely, 2^881225811 is an apocalyptic number.

881225811 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

881225811 is a deficient number, since it is larger than the sum of its proper divisors (435173361).

881225811 is a wasteful number, since it uses less digits than its factorization.

881225811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10879343 (or 10879334 counting only the distinct ones).

The product of its digits is 10240, while the sum is 36.

The square root of 881225811 is about 29685.4477985426. The cubic root of 881225811 is about 958.7287176349.

Adding to 881225811 its reverse (118522188), we get a palindrome (999747999).

The spelling of 881225811 in words is "eight hundred eighty-one million, two hundred twenty-five thousand, eight hundred eleven".