11215401414 has 32 divisors (see below), whose sum is σ = 26180637696. Its totient is φ = 3136221120.

The previous prime is 11215401413. The next prime is 11215401437. The reversal of 11215401414 is 41410451211.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11215401413) 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 15 ways as a sum of consecutive naturals, for example, 2838807 + ... + 2842754.

It is an arithmetic number, because the mean of its divisors is an integer number (818144928).

Almost surely, 2^11215401414 is an apocalyptic number.

11215401414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11215401414 is an abundant number, since it is smaller than the sum of its proper divisors (14965236282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11215401414 is a wasteful number, since it uses less digits than its factorization.

11215401414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681620.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 11215401414 its reverse (41410451211), we get a palindrome (52625852625).

The spelling of 11215401414 in words is "eleven billion, two hundred fifteen million, four hundred one thousand, four hundred fourteen".