11663288155 has 8 divisors (see below), whose sum is σ = 14604465312. Its totient is φ = 8924950848.

The previous prime is 11663288129. The next prime is 11663288171. The reversal of 11663288155 is 55188236611.

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 11663288155 - 2⁵ = 11663288123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50709834 + ... + 50710063.

It is an arithmetic number, because the mean of its divisors is an integer number (1825558164).

Almost surely, 2^11663288155 is an apocalyptic number.

11663288155 is a deficient number, since it is larger than the sum of its proper divisors (2941177157).

11663288155 is a wasteful number, since it uses less digits than its factorization.

11663288155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101419925.

The product of its digits is 345600, while the sum is 46.

The spelling of 11663288155 in words is "eleven billion, six hundred sixty-three million, two hundred eighty-eight thousand, one hundred fifty-five".