11388117241 has 4 divisors (see below), whose sum is σ = 11398851684. Its totient is φ = 11377382800.

The previous prime is 11388117211. The next prime is 11388117253. The reversal of 11388117241 is 14271188311.

11388117241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4303360000 + 7084757241 = 65600^2 + 84171^2 .

It is a cyclic number.

It is not a de Polignac number, because 11388117241 - 2¹³ = 11388109049 is a prime.

It is a super-2 number, since 2×11388117241² (a number of 21 digits) contains 22 as substring.

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 11388117241.

It is not an unprimeable number, because it can be changed into a prime (11388117211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5365630 + ... + 5367751.

It is an arithmetic number, because the mean of its divisors is an integer number (2849712921).

Almost surely, 2^11388117241 is an apocalyptic number.

It is an amenable number.

11388117241 is a deficient number, since it is larger than the sum of its proper divisors (10734443).

11388117241 is a wasteful number, since it uses less digits than its factorization.

11388117241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734442.

The product of its digits is 10752, while the sum is 37.

The spelling of 11388117241 in words is "eleven billion, three hundred eighty-eight million, one hundred seventeen thousand, two hundred forty-one".