11091690801 has 16 divisors (see below), whose sum is σ = 16479232000. Its totient is φ = 7373266704.

The previous prime is 11091690767. The next prime is 11091690811. The reversal of 11091690801 is 10809619011.

It is not a de Polignac number, because 11091690801 - 2¹⁷ = 11091559729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11091690811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579121 + ... + 597966.

It is an arithmetic number, because the mean of its divisors is an integer number (1029952000).

Almost surely, 2^11091690801 is an apocalyptic number.

It is an amenable number.

11091690801 is a deficient number, since it is larger than the sum of its proper divisors (5387541199).

11091690801 is a wasteful number, since it uses less digits than its factorization.

11091690801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177445 (or 1177439 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 36.

The spelling of 11091690801 in words is "eleven billion, ninety-one million, six hundred ninety thousand, eight hundred one".