10891226493 has 64 divisors (see below), whose sum is σ = 19438848000. Its totient is φ = 5887458432.

The previous prime is 10891226483. The next prime is 10891226519. The reversal of 10891226493 is 39462219801.

It is not a de Polignac number, because 10891226493 - 2⁵ = 10891226461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10891226483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3075718 + ... + 3079256.

It is an arithmetic number, because the mean of its divisors is an integer number (303732000).

Almost surely, 2^10891226493 is an apocalyptic number.

It is an amenable number.

10891226493 is a deficient number, since it is larger than the sum of its proper divisors (8547621507).

10891226493 is a wasteful number, since it uses less digits than its factorization.

10891226493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431 (or 4425 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 10891226493 in words is "ten billion, eight hundred ninety-one million, two hundred twenty-six thousand, four hundred ninety-three".