11621556000655 has 8 divisors (see below), whose sum is σ = 14766212330352. Its totient is φ = 8750348047488.

The previous prime is 11621556000623. The next prime is 11621556000709. The reversal of 11621556000655 is 55600065512611.

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 11621556000655 - 2⁵ = 11621556000623 is a prime.

It is a Duffinian number.

It is a congruent 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, 68362094037 + ... + 68362094206.

It is an arithmetic number, because the mean of its divisors is an integer number (1845776541294).

Almost surely, 2^{11621556000655} is an apocalyptic number.

11621556000655 is a deficient number, since it is larger than the sum of its proper divisors (3144656329697).

11621556000655 is a wasteful number, since it uses less digits than its factorization.

11621556000655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136724188265.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 11621556000655 in words is "eleven trillion, six hundred twenty-one billion, five hundred fifty-six million, six hundred fifty-five", and thus it is an aban number.