10891375 has 24 divisors (see below), whose sum is σ = 14996592. Its totient is φ = 7832000.

The previous prime is 10891337. The next prime is 10891379. The reversal of 10891375 is 57319801.

It is a happy number.

10891375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10891375 - 2¹³ = 10883183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10891375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10891379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122331 + ... + 122419.

It is an arithmetic number, because the mean of its divisors is an integer number (624858).

Almost surely, 2^10891375 is an apocalyptic number.

10891375 is a deficient number, since it is larger than the sum of its proper divisors (4105217).

10891375 is an frugal number, since it uses more digits than its factorization.

10891375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 10891375 is about 3300.2083267576. The cubic root of 10891375 is about 221.6635259384.

The spelling of 10891375 in words is "ten million, eight hundred ninety-one thousand, three hundred seventy-five".