11111111211414 has 64 divisors (see below), whose sum is σ = 23876710454016. Its totient is φ = 3434703826944.

The previous prime is 11111111211413. The next prime is 11111111211437. The reversal of 11111111211414 is 41411211111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111111211413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227664 + ... + 4719539.

It is an arithmetic number, because the mean of its divisors is an integer number (373073600844).

Almost surely, 2^{11111111211414} is an apocalyptic number.

11111111211414 is an abundant number, since it is smaller than the sum of its proper divisors (12765599242602).

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

11111111211414 is a wasteful number, since it uses less digits than its factorization.

11111111211414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947549.

The product of its digits is 32, while the sum is 21.

Adding to 11111111211414 its reverse (41411211111111), we get a palindrome (52522322322525).

The spelling of 11111111211414 in words is "eleven trillion, one hundred eleven billion, one hundred eleven million, two hundred eleven thousand, four hundred fourteen".