11434277655 has 16 divisors (see below), whose sum is σ = 20327604960. Its totient is φ = 6098281344.

The previous prime is 11434277651. The next prime is 11434277671. The reversal of 11434277655 is 55677243411.

11434277655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11434277655 - 2² = 11434277651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11434277655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434277651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42349042 + ... + 42349311.

It is an arithmetic number, because the mean of its divisors is an integer number (1270475310).

Almost surely, 2^11434277655 is an apocalyptic number.

11434277655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11434277655 is a deficient number, since it is larger than the sum of its proper divisors (8893327305).

11434277655 is an equidigital number, since it uses as much as digits as its factorization.

11434277655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84698367 (or 84698361 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 11434277655 in words is "eleven billion, four hundred thirty-four million, two hundred seventy-seven thousand, six hundred fifty-five".