11790267889 has 9 divisors (see below), whose sum is σ = 12327787339. Its totient is φ = 11275258720.

The previous prime is 11790267877. The next prime is 11790267901. The reversal of 11790267889 is 98876209711.

The square root of 11790267889 is 108583.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (11790267877) and next prime (11790267901).

It can be written as a sum of positive squares in only one way, i.e., 6373307889 + 5416960000 = 79833^2 + 73600^2 .

It is not a de Polignac number, because 11790267889 - 2⁵ = 11790267857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11790267829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2495049 + ... + 2499769.

Almost surely, 2^11790267889 is an apocalyptic number.

11790267889 is the 108583-rd square number.

11790267889 is the 54292-nd centered octagonal number.

It is an amenable number.

11790267889 is a deficient number, since it is larger than the sum of its proper divisors (537519450).

11790267889 is an frugal number, since it uses more digits than its factorization.

11790267889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488 (or 4744 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 58.

The spelling of 11790267889 in words is "eleven billion, seven hundred ninety million, two hundred sixty-seven thousand, eight hundred eighty-nine".