10896491091 has 4 divisors (see below), whose sum is σ = 14528654792. Its totient is φ = 7264327392.

The previous prime is 10896491087. The next prime is 10896491119. The reversal of 10896491091 is 19019469801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19019469801 = 3 ⋅6339823267.

It is not a de Polignac number, because 10896491091 - 2² = 10896491087 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 10896491091.

It is not an unprimeable number, because it can be changed into a prime (10896498091) 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, 1816081846 + ... + 1816081851.

It is an arithmetic number, because the mean of its divisors is an integer number (3632163698).

Almost surely, 2^10896491091 is an apocalyptic number.

10896491091 is a deficient number, since it is larger than the sum of its proper divisors (3632163701).

10896491091 is an equidigital number, since it uses as much as digits as its factorization.

10896491091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632163700.

The product of its (nonzero) digits is 139968, while the sum is 48.

The spelling of 10896491091 in words is "ten billion, eight hundred ninety-six million, four hundred ninety-one thousand, ninety-one".