881117162141 has 4 divisors (see below), whose sum is σ = 883641853500. Its totient is φ = 878592470784.

The previous prime is 881117162089. The next prime is 881117162143. The reversal of 881117162141 is 141261711188.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 588710925625 + 292406236516 = 767275^2 + 540746^2 .

It is a cyclic number.

It is not a de Polignac number, because 881117162141 - 2⁶ = 881117162077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881117162143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262345156 + ... + 1262345853.

It is an arithmetic number, because the mean of its divisors is an integer number (220910463375).

Almost surely, 2^881117162141 is an apocalyptic number.

It is an amenable number.

881117162141 is a deficient number, since it is larger than the sum of its proper divisors (2524691359).

881117162141 is a wasteful number, since it uses less digits than its factorization.

881117162141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524691358.

The product of its digits is 21504, while the sum is 41.

The spelling of 881117162141 in words is "eight hundred eighty-one billion, one hundred seventeen million, one hundred sixty-two thousand, one hundred forty-one".