11505000655311 has 8 divisors (see below), whose sum is σ = 15345112515504. Its totient is φ = 7667444616000.

The previous prime is 11505000655279. The next prime is 11505000655333. The reversal of 11505000655311 is 11355600050511.

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

It is not a de Polignac number, because 11505000655311 - 2⁵ = 11505000655279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11505000635311) 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, 638944716 + ... + 638962721.

It is an arithmetic number, because the mean of its divisors is an integer number (1918139064438).

Almost surely, 2^{11505000655311} is an apocalyptic number.

11505000655311 is a deficient number, since it is larger than the sum of its proper divisors (3840111860193).

11505000655311 is a wasteful number, since it uses less digits than its factorization.

11505000655311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277910441.

The product of its (nonzero) digits is 11250, while the sum is 33.

The spelling of 11505000655311 in words is "eleven trillion, five hundred five billion, six hundred fifty-five thousand, three hundred eleven".