881358318913 has 32 divisors (see below), whose sum is σ = 913341762432. Its totient is φ = 849988339200.

The previous prime is 881358318899. The next prime is 881358318931. The reversal of 881358318913 is 319813853188.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881358318913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881358310913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1301858331 + ... + 1301859007.

It is an arithmetic number, because the mean of its divisors is an integer number (28541930076).

Almost surely, 2^881358318913 is an apocalyptic number.

It is an amenable number.

881358318913 is a deficient number, since it is larger than the sum of its proper divisors (31983443519).

881358318913 is a wasteful number, since it uses less digits than its factorization.

881358318913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its digits is 4976640, while the sum is 58.

It can be divided in two parts, 88135 and 8318913, that added together give a palindrome (8407048).

The spelling of 881358318913 in words is "eight hundred eighty-one billion, three hundred fifty-eight million, three hundred eighteen thousand, nine hundred thirteen".