11515430014 has 16 divisors (see below), whose sum is σ = 19281651840. Its totient is φ = 5112558360.

The previous prime is 11515430011. The next prime is 11515430021. The reversal of 11515430014 is 41003451511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515430011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6085434 + ... + 6087325.

It is an arithmetic number, because the mean of its divisors is an integer number (1205103240).

Almost surely, 2^11515430014 is an apocalyptic number.

11515430014 is a deficient number, since it is larger than the sum of its proper divisors (7766221826).

11515430014 is a wasteful number, since it uses less digits than its factorization.

11515430014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12172815.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11515430014 its reverse (41003451511), we get a palindrome (52518881525).

The spelling of 11515430014 in words is "eleven billion, five hundred fifteen million, four hundred thirty thousand, fourteen".