11790122789 has 4 divisors (see below), whose sum is σ = 11906856780. Its totient is φ = 11673388800.

The previous prime is 11790122737. The next prime is 11790122797. The reversal of 11790122789 is 98722109711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98722109711 = 1657 ⋅59578823.

It can be written as a sum of positive squares in 2 ways, for example, as 8031206689 + 3758916100 = 89617^2 + 61310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11790122789 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 (11790122689) 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, 58366844 + ... + 58367045.

It is an arithmetic number, because the mean of its divisors is an integer number (2976714195).

Almost surely, 2^11790122789 is an apocalyptic number.

It is an amenable number.

11790122789 is a deficient number, since it is larger than the sum of its proper divisors (116733991).

11790122789 is a wasteful number, since it uses less digits than its factorization.

11790122789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116733990.

The product of its (nonzero) digits is 127008, while the sum is 47.

The spelling of 11790122789 in words is "eleven billion, seven hundred ninety million, one hundred twenty-two thousand, seven hundred eighty-nine".