11505000655305 has 24 divisors (see below), whose sum is σ = 19942575539328. Its totient is φ = 6135823610016.

The previous prime is 11505000655279. The next prime is 11505000655333. The reversal of 11505000655305 is 50355600050511.

11505000655305 is a `hidden beast` number, since 1 + 1 + 50 + 50 + 0 + 0 + 6 + 553 + 0 + 5 = 666.

It is not a de Polignac number, because 11505000655305 - 2⁶ = 11505000655241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11505000655305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2094897 + ... + 5234366.

It is an arithmetic number, because the mean of its divisors is an integer number (830940647472).

Almost surely, 2^{11505000655305} is an apocalyptic number.

11505000655305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11505000655305 is a deficient number, since it is larger than the sum of its proper divisors (8437574884023).

11505000655305 is a wasteful number, since it uses less digits than its factorization.

11505000655305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364157 (or 7364154 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 11505000655305 in words is "eleven trillion, five hundred five billion, six hundred fifty-five thousand, three hundred five".