11321401115 has 4 divisors (see below), whose sum is σ = 13585681344. Its totient is φ = 9057120888.

The previous prime is 11321401111. The next prime is 11321401121. The reversal of 11321401115 is 51110412311.

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 11321401115 - 2² = 11321401111 is a prime.

It is a super-3 number, since 3×11321401115³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321401111) 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, 1132140107 + ... + 1132140116.

It is an arithmetic number, because the mean of its divisors is an integer number (3396420336).

Almost surely, 2^11321401115 is an apocalyptic number.

11321401115 is a deficient number, since it is larger than the sum of its proper divisors (2264280229).

11321401115 is an equidigital number, since it uses as much as digits as its factorization.

11321401115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264280228.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 11321401115 its reverse (51110412311), we get a palindrome (62431813426).

The spelling of 11321401115 in words is "eleven billion, three hundred twenty-one million, four hundred one thousand, one hundred fifteen".