202052255313455 has 4 divisors (see below), whose sum is σ = 242462706376152. Its totient is φ = 161641804250760.

The previous prime is 202052255313451. The next prime is 202052255313521. The reversal of 202052255313455 is 554313552250202.

It is a happy number.

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

It is not a de Polignac number, because 202052255313455 - 2² = 202052255313451 is a prime.

It is a super-2 number, since 2×202052255313455² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202052255313451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20205225531341 + ... + 20205225531350.

It is an arithmetic number, because the mean of its divisors is an integer number (60615676594038).

Almost surely, 2^{202052255313455} is an apocalyptic number.

202052255313455 is a deficient number, since it is larger than the sum of its proper divisors (40410451062697).

202052255313455 is an equidigital number, since it uses as much as digits as its factorization.

202052255313455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40410451062696.

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 202052255313455 in words is "two hundred two trillion, fifty-two billion, two hundred fifty-five million, three hundred thirteen thousand, four hundred fifty-five".