11408434655 has 4 divisors (see below), whose sum is σ = 13690121592. Its totient is φ = 9126747720.

The previous prime is 11408434643. The next prime is 11408434703. The reversal of 11408434655 is 55643480411.

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

It is not a de Polignac number, because 11408434655 - 2¹⁴ = 11408418271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140843461 + ... + 1140843470.

It is an arithmetic number, because the mean of its divisors is an integer number (3422530398).

Almost surely, 2^11408434655 is an apocalyptic number.

11408434655 is a deficient number, since it is larger than the sum of its proper divisors (2281686937).

11408434655 is an equidigital number, since it uses as much as digits as its factorization.

11408434655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281686936.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 11408434655 in words is "eleven billion, four hundred eight million, four hundred thirty-four thousand, six hundred fifty-five".