11455645605 has 32 divisors (see below), whose sum is σ = 18990317568. Its totient is φ = 5890708800.

The previous prime is 11455645603. The next prime is 11455645637. The reversal of 11455645605 is 50654655411.

It is not a de Polignac number, because 11455645605 - 2¹ = 11455645603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455645603) 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 31 ways as a sum of consecutive naturals, for example, 80562 + ... + 171468.

It is an arithmetic number, because the mean of its divisors is an integer number (593447424).

Almost surely, 2^11455645605 is an apocalyptic number.

11455645605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11455645605 is a deficient number, since it is larger than the sum of its proper divisors (7534671963).

11455645605 is a wasteful number, since it uses less digits than its factorization.

11455645605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91217.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 11455645605 in words is "eleven billion, four hundred fifty-five million, six hundred forty-five thousand, six hundred five".