102355553225 has 6 divisors (see below), whose sum is σ = 126920886030. Its totient is φ = 81884442560.

The previous prime is 102355553213. The next prime is 102355553227. The reversal of 102355553225 is 522355553201.

It can be written as a sum of positive squares in 3 ways, for example, as 20975439241 + 81380113984 = 144829^2 + 285272^2 .

It is not a de Polignac number, because 102355553225 - 2³⁶ = 33636076489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102355553227) 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 5 ways as a sum of consecutive naturals, for example, 2047111040 + ... + 2047111089.

It is an arithmetic number, because the mean of its divisors is an integer number (21153481005).

Almost surely, 2^102355553225 is an apocalyptic number.

It is an amenable number.

102355553225 is a deficient number, since it is larger than the sum of its proper divisors (24565332805).

102355553225 is an equidigital number, since it uses as much as digits as its factorization.

102355553225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094222139 (or 4094222134 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 102355553225 in words is "one hundred two billion, three hundred fifty-five million, five hundred fifty-three thousand, two hundred twenty-five".