881105091 has 16 divisors (see below), whose sum is σ = 1241410560. Its totient is φ = 554748480.

The previous prime is 881105081. The next prime is 881105117. The reversal of 881105091 is 190501188.

It is not a de Polignac number, because 881105091 - 2¹⁷ = 880974019 is a prime.

It is a super-2 number, since 2×881105091² = 1552692362772236562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (881105011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75370 + ... + 86271.

It is an arithmetic number, because the mean of its divisors is an integer number (77588160).

Almost surely, 2^881105091 is an apocalyptic number.

881105091 is a deficient number, since it is larger than the sum of its proper divisors (360305469).

881105091 is a wasteful number, since it uses less digits than its factorization.

881105091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161746.

The product of its (nonzero) digits is 2880, while the sum is 33.

The square root of 881105091 is about 29683.4144093970. The cubic root of 881105091 is about 958.6849365689.

The spelling of 881105091 in words is "eight hundred eighty-one million, one hundred five thousand, ninety-one".