10988091 has 12 divisors (see below), whose sum is σ = 16241368. Its totient is φ = 7154784.

The previous prime is 10988077. The next prime is 10988111. The reversal of 10988091 is 19088901.

It is not a de Polignac number, because 10988091 - 2⁹ = 10987579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10988051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13810 + ... + 14583.

Almost surely, 2^10988091 is an apocalyptic number.

10988091 is a deficient number, since it is larger than the sum of its proper divisors (5253277).

10988091 is a wasteful number, since it uses less digits than its factorization.

10988091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28442 (or 28439 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 10988091 is about 3314.8289548633. The cubic root of 10988091 is about 222.3177213519.

The spelling of 10988091 in words is "ten million, nine hundred eighty-eight thousand, ninety-one".