11415541455 has 24 divisors (see below), whose sum is σ = 19793275008. Its totient is φ = 6086339136.

The previous prime is 11415541453. The next prime is 11415541499. The reversal of 11415541455 is 55414551411.

11415541455 is a `hidden beast` number, since 1 + 1 + 41 + 554 + 14 + 55 = 666.

It is not a de Polignac number, because 11415541455 - 2¹ = 11415541453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11415541453) 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 23 ways as a sum of consecutive naturals, for example, 107394 + ... + 185376.

It is an arithmetic number, because the mean of its divisors is an integer number (824719792).

Almost surely, 2^11415541455 is an apocalyptic number.

11415541455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11415541455 is a deficient number, since it is larger than the sum of its proper divisors (8377733553).

11415541455 is a wasteful number, since it uses less digits than its factorization.

11415541455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81247 (or 81244 counting only the distinct ones).

The product of its digits is 40000, while the sum is 36.

The spelling of 11415541455 in words is "eleven billion, four hundred fifteen million, five hundred forty-one thousand, four hundred fifty-five".