2555198653351 has 4 divisors (see below), whose sum is σ = 2555209265400. Its totient is φ = 2555188041304.

The previous prime is 2555198653349. The next prime is 2555198653361. The reversal of 2555198653351 is 1533568915552.

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 2555198653351 - 2¹ = 2555198653349 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555198653321) 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, 4936261 + ... + 5429278.

It is an arithmetic number, because the mean of its divisors is an integer number (638802316350).

Almost surely, 2^{2555198653351} is an apocalyptic number.

2555198653351 is a deficient number, since it is larger than the sum of its proper divisors (10612049).

2555198653351 is a wasteful number, since it uses less digits than its factorization.

2555198653351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10612048.

The product of its digits is 24300000, while the sum is 58.

The spelling of 2555198653351 in words is "two trillion, five hundred fifty-five billion, one hundred ninety-eight million, six hundred fifty-three thousand, three hundred fifty-one".