11512440014 has 4 divisors (see below), whose sum is σ = 17268660024. Its totient is φ = 5756220006.

The previous prime is 11512440013. The next prime is 11512440029. The reversal of 11512440014 is 41004421511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41004421511 = 71711 ⋅571801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512440011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878110002 + ... + 2878110005.

It is an arithmetic number, because the mean of its divisors is an integer number (4317165006).

Almost surely, 2^11512440014 is an apocalyptic number.

11512440014 is a deficient number, since it is larger than the sum of its proper divisors (5756220010).

11512440014 is an equidigital number, since it uses as much as digits as its factorization.

11512440014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756220009.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11512440014 its reverse (41004421511), we get a palindrome (52516861525).

The spelling of 11512440014 in words is "eleven billion, five hundred twelve million, four hundred forty thousand, fourteen".