11049695391 has 32 divisors (see below), whose sum is σ = 17458882560. Its totient is φ = 6082159104.

The previous prime is 11049695383. The next prime is 11049695399. The reversal of 11049695391 is 19359694011.

It is an interprime number because it is at equal distance from previous prime (11049695383) and next prime (11049695399).

It is not a de Polignac number, because 11049695391 - 2³ = 11049695383 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 11049695391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11049695399) 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 31 ways as a sum of consecutive naturals, for example, 242746 + ... + 284648.

It is an arithmetic number, because the mean of its divisors is an integer number (545590080).

Almost surely, 2^11049695391 is an apocalyptic number.

11049695391 is a deficient number, since it is larger than the sum of its proper divisors (6409187169).

11049695391 is a wasteful number, since it uses less digits than its factorization.

11049695391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42375.

The product of its (nonzero) digits is 262440, while the sum is 48.

The spelling of 11049695391 in words is "eleven billion, forty-nine million, six hundred ninety-five thousand, three hundred ninety-one".