11173790997 has 48 divisors (see below), whose sum is σ = 17642963520. Its totient is φ = 7047388800.

The previous prime is 11173790989. The next prime is 11173791011. The reversal of 11173790997 is 79909737111.

It is not a de Polignac number, because 11173790997 - 2³ = 11173790989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11173710997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4897497 + ... + 4899777.

It is an arithmetic number, because the mean of its divisors is an integer number (367561740).

Almost surely, 2^11173790997 is an apocalyptic number.

It is an amenable number.

11173790997 is a deficient number, since it is larger than the sum of its proper divisors (6469172523).

11173790997 is a wasteful number, since it uses less digits than its factorization.

11173790997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3364 counting only the distinct ones).

The product of its (nonzero) digits is 750141, while the sum is 54.

The spelling of 11173790997 in words is "eleven billion, one hundred seventy-three million, seven hundred ninety thousand, nine hundred ninety-seven".