11130202997 has 4 divisors (see below), whose sum is σ = 11133718380. Its totient is φ = 11126687616.

The previous prime is 11130202961. The next prime is 11130203003. The reversal of 11130202997 is 79920203111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3576159601 + 7554043396 = 59801^2 + 86914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11130202997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130205997) 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, 1752938 + ... + 1759275.

It is an arithmetic number, because the mean of its divisors is an integer number (2783429595).

Almost surely, 2^11130202997 is an apocalyptic number.

It is an amenable number.

11130202997 is a deficient number, since it is larger than the sum of its proper divisors (3515383).

11130202997 is an equidigital number, since it uses as much as digits as its factorization.

11130202997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515382.

The product of its (nonzero) digits is 6804, while the sum is 35.

The spelling of 11130202997 in words is "eleven billion, one hundred thirty million, two hundred two thousand, nine hundred ninety-seven".