11378535255 has 12 divisors (see below), whose sum is σ = 19722794520. Its totient is φ = 6068552112.

The previous prime is 11378535197. The next prime is 11378535269. The reversal of 11378535255 is 55253587311.

11378535255 is a `hidden beast` number, since 1 + 1 + 3 + 78 + 53 + 525 + 5 = 666.

It is not a de Polignac number, because 11378535255 - 2⁶ = 11378535191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 252856339 = 11378535255 / (1 + 1 + 3 + 7 + 8 + 5 + 3 + 5 + 2 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 11378535255.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 126428125 + ... + 126428214.

It is an arithmetic number, because the mean of its divisors is an integer number (1643566210).

Almost surely, 2^11378535255 is an apocalyptic number.

11378535255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11378535255 is a deficient number, since it is larger than the sum of its proper divisors (8344259265).

11378535255 is a wasteful number, since it uses less digits than its factorization.

11378535255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252856350 (or 252856347 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The spelling of 11378535255 in words is "eleven billion, three hundred seventy-eight million, five hundred thirty-five thousand, two hundred fifty-five".