401114111215 has 4 divisors (see below), whose sum is σ = 481336933464. Its totient is φ = 320891288968.

The previous prime is 401114111213. The next prime is 401114111239. The reversal of 401114111215 is 512111411104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401114111215 - 2¹ = 401114111213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401114111213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40111411117 + ... + 40111411126.

It is an arithmetic number, because the mean of its divisors is an integer number (120334233366).

Almost surely, 2^401114111215 is an apocalyptic number.

401114111215 is a deficient number, since it is larger than the sum of its proper divisors (80222822249).

401114111215 is an equidigital number, since it uses as much as digits as its factorization.

401114111215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80222822248.

The product of its (nonzero) digits is 160, while the sum is 22.

Adding to 401114111215 its reverse (512111411104), we get a palindrome (913225522319).

The spelling of 401114111215 in words is "four hundred one billion, one hundred fourteen million, one hundred eleven thousand, two hundred fifteen".