202113540555 has 16 divisors (see below), whose sum is σ = 323698419744. Its totient is φ = 107688303360.

The previous prime is 202113540553. The next prime is 202113540569. The reversal of 202113540555 is 555045311202.

It is not a de Polignac number, because 202113540555 - 2¹ = 202113540553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202113540553) 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 15 ways as a sum of consecutive naturals, for example, 6583234 + ... + 6613863.

It is an arithmetic number, because the mean of its divisors is an integer number (20231151234).

Almost surely, 2^202113540555 is an apocalyptic number.

202113540555 is a deficient number, since it is larger than the sum of its proper divisors (121584879189).

202113540555 is a wasteful number, since it uses less digits than its factorization.

202113540555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198126.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 202113540555 its reverse (555045311202), we get a palindrome (757158851757).

The spelling of 202113540555 in words is "two hundred two billion, one hundred thirteen million, five hundred forty thousand, five hundred fifty-five".