11075421737 has 4 divisors (see below), whose sum is σ = 11311069056. Its totient is φ = 10839774420.

The previous prime is 11075421719. The next prime is 11075421743. The reversal of 11075421737 is 73712457011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11075421737 - 2²⁶ = 11008312873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11075421737.

It is not an unprimeable number, because it can be changed into a prime (11075421437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117823589 + ... + 117823682.

It is an arithmetic number, because the mean of its divisors is an integer number (2827767264).

Almost surely, 2^11075421737 is an apocalyptic number.

It is an amenable number.

11075421737 is a deficient number, since it is larger than the sum of its proper divisors (235647319).

11075421737 is an equidigital number, since it uses as much as digits as its factorization.

11075421737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235647318.

The product of its (nonzero) digits is 41160, while the sum is 38.

Adding to 11075421737 its reverse (73712457011), we get a palindrome (84787878748).

The spelling of 11075421737 in words is "eleven billion, seventy-five million, four hundred twenty-one thousand, seven hundred thirty-seven".