253555100102 has 4 divisors (see below), whose sum is σ = 380332650156. Its totient is φ = 126777550050.

The previous prime is 253555100089. The next prime is 253555100143. The reversal of 253555100102 is 201001555352.

253555100102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63388775024 + ... + 63388775027.

It is an arithmetic number, because the mean of its divisors is an integer number (95083162539).

Almost surely, 2^253555100102 is an apocalyptic number.

253555100102 is a deficient number, since it is larger than the sum of its proper divisors (126777550054).

253555100102 is a wasteful number, since it uses less digits than its factorization.

253555100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126777550053.

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 253555100102 its reverse (201001555352), we get a palindrome (454556655454).

The spelling of 253555100102 in words is "two hundred fifty-three billion, five hundred fifty-five million, one hundred thousand, one hundred two".