11516404407 has 8 divisors (see below), whose sum is σ = 15681912576. Its totient is φ = 7514249592.

The previous prime is 11516404399. The next prime is 11516404453. The reversal of 11516404407 is 70440461511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11516404407 - 2³ = 11516404399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516404307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40838173 + ... + 40838454.

It is an arithmetic number, because the mean of its divisors is an integer number (1960239072).

Almost surely, 2^11516404407 is an apocalyptic number.

11516404407 is a deficient number, since it is larger than the sum of its proper divisors (4165508169).

11516404407 is an equidigital number, since it uses as much as digits as its factorization.

11516404407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81676677.

The product of its (nonzero) digits is 13440, while the sum is 33.

Adding to 11516404407 its reverse (70440461511), we get a palindrome (81956865918).

The spelling of 11516404407 in words is "eleven billion, five hundred sixteen million, four hundred four thousand, four hundred seven".