102425325505 has 8 divisors (see below), whose sum is σ = 123050544552. Its totient is φ = 81846824448.

The previous prime is 102425325503. The next prime is 102425325521. The reversal of 102425325505 is 505523524201.

It can be written as a sum of positive squares in 4 ways, for example, as 42337589121 + 60087736384 = 205761^2 + 245128^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102425325505 - 2¹ = 102425325503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102425325503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11674672 + ... + 11683441.

It is an arithmetic number, because the mean of its divisors is an integer number (15381318069).

Almost surely, 2^102425325505 is an apocalyptic number.

It is an amenable number.

102425325505 is a deficient number, since it is larger than the sum of its proper divisors (20625219047).

102425325505 is an equidigital number, since it uses as much as digits as its factorization.

102425325505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23358995.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 102425325505 its reverse (505523524201), we get a palindrome (607948849706).

The spelling of 102425325505 in words is "one hundred two billion, four hundred twenty-five million, three hundred twenty-five thousand, five hundred five".