11405654677 has 4 divisors (see below), whose sum is σ = 11409376576. Its totient is φ = 11401932780.

The previous prime is 11405654627. The next prime is 11405654683. The reversal of 11405654677 is 77645650411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11405654677 - 2¹⁹ = 11405130389 is a prime.

It is a super-2 number, since 2×11405654677² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405654627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856349 + ... + 1862482.

It is an arithmetic number, because the mean of its divisors is an integer number (2852344144).

Almost surely, 2^11405654677 is an apocalyptic number.

It is an amenable number.

11405654677 is a deficient number, since it is larger than the sum of its proper divisors (3721899).

11405654677 is an equidigital number, since it uses as much as digits as its factorization.

11405654677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721898.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 11405654677 in words is "eleven billion, four hundred five million, six hundred fifty-four thousand, six hundred seventy-seven".