11408456667 has 6 divisors (see below), whose sum is σ = 15211522228. Its totient is φ = 7605514444.

The previous prime is 11408456659. The next prime is 11408456677. The reversal of 11408456667 is 76665480411.

It is a happy number.

It is not a de Polignac number, because 11408456667 - 2³ = 11408456659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11408456617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154168 + ... + 215834.

Almost surely, 2^11408456667 is an apocalyptic number.

11408456667 is a deficient number, since it is larger than the sum of its proper divisors (3803065561).

11408456667 is an frugal number, since it uses more digits than its factorization.

11408456667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123337 (or 61670 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

Multiplying 11408456667 by its sum of digits (48), we get a square (547605920016 = 740004²).

The spelling of 11408456667 in words is "eleven billion, four hundred eight million, four hundred fifty-six thousand, six hundred sixty-seven".