11144240715 has 64 divisors (see below), whose sum is σ = 20115072000. Its totient is φ = 5240277504.

The previous prime is 11144240713. The next prime is 11144240719. The reversal of 11144240715 is 51704244111.

It is a happy number.

It is not a de Polignac number, because 11144240715 - 2¹ = 11144240713 is a prime.

It is a super-2 number, since 2×11144240715² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11144240713) 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 63 ways as a sum of consecutive naturals, for example, 219561 + ... + 265509.

It is an arithmetic number, because the mean of its divisors is an integer number (314298000).

Almost surely, 2^11144240715 is an apocalyptic number.

11144240715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11144240715 is a deficient number, since it is larger than the sum of its proper divisors (8970831285).

11144240715 is a wasteful number, since it uses less digits than its factorization.

11144240715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46036.

The product of its (nonzero) digits is 4480, while the sum is 30.

Adding to 11144240715 its reverse (51704244111), we get a palindrome (62848484826).

The spelling of 11144240715 in words is "eleven billion, one hundred forty-four million, two hundred forty thousand, seven hundred fifteen".