11440341385 has 16 divisors (see below), whose sum is σ = 15023714112. Its totient is φ = 8293988800.

The previous prime is 11440341383. The next prime is 11440341413. The reversal of 11440341385 is 58314304411.

It is not a de Polignac number, because 11440341385 - 2¹ = 11440341383 is a prime.

It is a super-2 number, since 2×11440341385² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11440341385.

It is not an unprimeable number, because it can be changed into a prime (11440341383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310651 + ... + 345520.

It is an arithmetic number, because the mean of its divisors is an integer number (938982132).

Almost surely, 2^11440341385 is an apocalyptic number.

It is an amenable number.

11440341385 is a deficient number, since it is larger than the sum of its proper divisors (3583372727).

11440341385 is a wasteful number, since it uses less digits than its factorization.

11440341385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656504.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 11440341385 its reverse (58314304411), we get a palindrome (69754645796).

The spelling of 11440341385 in words is "eleven billion, four hundred forty million, three hundred forty-one thousand, three hundred eighty-five".