102425552436 has 12 divisors (see below), whose sum is σ = 238992955712. Its totient is φ = 34141850808.

The previous prime is 102425552419. The next prime is 102425552459. The reversal of 102425552436 is 634255524201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 102425552394 and 102425552403.

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 in 3 ways as a sum of consecutive naturals, for example, 4267731340 + ... + 4267731363.

Almost surely, 2^102425552436 is an apocalyptic number.

It is an amenable number.

102425552436 is an abundant number, since it is smaller than the sum of its proper divisors (136567403276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102425552436 is a wasteful number, since it uses less digits than its factorization.

102425552436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535462710 (or 8535462708 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 102425552436 in words is "one hundred two billion, four hundred twenty-five million, five hundred fifty-two thousand, four hundred thirty-six".