2150553231655 has 8 divisors (see below), whose sum is σ = 2650411550592. Its totient is φ = 1673944136928.

The previous prime is 2150553231653. The next prime is 2150553231707. The reversal of 2150553231655 is 5561323550512.

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 2150553231655 - 2¹ = 2150553231653 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 (2150553231653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5812305847 + ... + 5812306216.

It is an arithmetic number, because the mean of its divisors is an integer number (331301443824).

Almost surely, 2^{2150553231655} is an apocalyptic number.

2150553231655 is a deficient number, since it is larger than the sum of its proper divisors (499858318937).

2150553231655 is a wasteful number, since it uses less digits than its factorization.

2150553231655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624612105.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 2150553231655 in words is "two trillion, one hundred fifty billion, five hundred fifty-three million, two hundred thirty-one thousand, six hundred fifty-five".