102140315305225 has 12 divisors (see below), whose sum is σ = 127018988081424. Its totient is φ = 81476770242320.

The previous prime is 102140315305199. The next prime is 102140315305291. The reversal of 102140315305225 is 522503513041201.

It is a de Polignac number, because none of the positive numbers 2^k-102140315305225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5887041199 + ... + 5887058548.

It is an arithmetic number, because the mean of its divisors is an integer number (10584915673452).

Almost surely, 2^{102140315305225} is an apocalyptic number.

It is an amenable number.

102140315305225 is a deficient number, since it is larger than the sum of its proper divisors (24878672776199).

102140315305225 is a wasteful number, since it uses less digits than its factorization.

102140315305225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11774100104 (or 11774100099 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 102140315305225 its reverse (522503513041201), we get a palindrome (624643828346426).

The spelling of 102140315305225 in words is "one hundred two trillion, one hundred forty billion, three hundred fifteen million, three hundred five thousand, two hundred twenty-five".