10885981428391 has 8 divisors (see below), whose sum is σ = 11007213400064. Its totient is φ = 10765396027800.

The previous prime is 10885981428307. The next prime is 10885981428403. The reversal of 10885981428391 is 19382418958801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10885981428391 - 2⁷ = 10885981428263 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 (10885981428691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161608911 + ... + 161676256.

It is an arithmetic number, because the mean of its divisors is an integer number (1375901675008).

Almost surely, 2^{10885981428391} is an apocalyptic number.

10885981428391 is a deficient number, since it is larger than the sum of its proper divisors (121231971673).

10885981428391 is a wasteful number, since it uses less digits than its factorization.

10885981428391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323285541.

The product of its (nonzero) digits is 39813120, while the sum is 67.

The spelling of 10885981428391 in words is "ten trillion, eight hundred eighty-five billion, nine hundred eighty-one million, four hundred twenty-eight thousand, three hundred ninety-one".