102425120215 has 16 divisors (see below), whose sum is σ = 134133667200. Its totient is φ = 74463289120.

The previous prime is 102425120129. The next prime is 102425120221. The reversal of 102425120215 is 512021524201.

It is not a de Polignac number, because 102425120215 - 2²¹ = 102423023063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102425120215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196549 + ... + 493438.

It is an arithmetic number, because the mean of its divisors is an integer number (8383354200).

Almost surely, 2^102425120215 is an apocalyptic number.

102425120215 is a deficient number, since it is larger than the sum of its proper divisors (31708546985).

102425120215 is a wasteful number, since it uses less digits than its factorization.

102425120215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692702.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 102425120215 its reverse (512021524201), we get a palindrome (614446644416).

The spelling of 102425120215 in words is "one hundred two billion, four hundred twenty-five million, one hundred twenty thousand, two hundred fifteen".