11515216625414 has 4 divisors (see below), whose sum is σ = 17272824938124. Its totient is φ = 5757608312706.

The previous prime is 11515216625383. The next prime is 11515216625449. The reversal of 11515216625414 is 41452661251511.

It is a happy number.

11515216625414 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 is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878804156352 + ... + 2878804156355.

It is an arithmetic number, because the mean of its divisors is an integer number (4318206234531).

Almost surely, 2^{11515216625414} is an apocalyptic number.

11515216625414 is a deficient number, since it is larger than the sum of its proper divisors (5757608312710).

11515216625414 is an equidigital number, since it uses as much as digits as its factorization.

11515216625414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757608312709.

The product of its digits is 288000, while the sum is 44.

Adding to 11515216625414 its reverse (41452661251511), we get a palindrome (52967877876925).

The spelling of 11515216625414 in words is "eleven trillion, five hundred fifteen billion, two hundred sixteen million, six hundred twenty-five thousand, four hundred fourteen".