2104155200551 has 4 divisors (see below), whose sum is σ = 2104256641032. Its totient is φ = 2104053760072.

The previous prime is 2104155200533. The next prime is 2104155200561. The reversal of 2104155200551 is 1550025514012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2104155200551 - 2⁹ = 2104155200039 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 (2104155200531) 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 3 ways as a sum of consecutive naturals, for example, 50689120 + ... + 50730613.

It is an arithmetic number, because the mean of its divisors is an integer number (526064160258).

Almost surely, 2^{2104155200551} is an apocalyptic number.

2104155200551 is a deficient number, since it is larger than the sum of its proper divisors (101440481).

2104155200551 is a wasteful number, since it uses less digits than its factorization.

2104155200551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101440480.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 2104155200551 in words is "two trillion, one hundred four billion, one hundred fifty-five million, two hundred thousand, five hundred fifty-one".