11398130811 has 24 divisors (see below), whose sum is σ = 17937862640. Its totient is φ = 7151763456.

The previous prime is 11398130773. The next prime is 11398130819. The reversal of 11398130811 is 11803189311.

It is not a de Polignac number, because 11398130811 - 2¹⁸ = 11397868667 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 (11398130819) 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 23 ways as a sum of consecutive naturals, for example, 722566 + ... + 738171.

Almost surely, 2^11398130811 is an apocalyptic number.

11398130811 is a deficient number, since it is larger than the sum of its proper divisors (6539731829).

11398130811 is a wasteful number, since it uses less digits than its factorization.

11398130811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460780 (or 1460757 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 11398130811 in words is "eleven billion, three hundred ninety-eight million, one hundred thirty thousand, eight hundred eleven".