11505000655061 has 8 divisors (see below), whose sum is σ = 11520578537664. Its totient is φ = 11489423980320.

The previous prime is 11505000655039. The next prime is 11505000655103. The reversal of 11505000655061 is 16055600050511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11505000655061 - 2¹⁸ = 11505000392917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11505000655661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19652000 + ... + 20228966.

It is an arithmetic number, because the mean of its divisors is an integer number (1440072317208).

Almost surely, 2^{11505000655061} is an apocalyptic number.

It is an amenable number.

11505000655061 is a deficient number, since it is larger than the sum of its proper divisors (15577882603).

11505000655061 is an equidigital number, since it uses as much as digits as its factorization.

11505000655061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603931.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 11505000655061 in words is "eleven trillion, five hundred five billion, six hundred fifty-five thousand, sixty-one".