102130535552 has 64 divisors (see below), whose sum is σ = 208616234400. Its totient is φ = 49774233600.

The previous prime is 102130535539. The next prime is 102130535557. The reversal of 102130535552 is 255535031201.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (102130535557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6137099 + ... + 6153717.

Almost surely, 2^102130535552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102130535552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104308117200).

102130535552 is an abundant number, since it is smaller than the sum of its proper divisors (106485698848).

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

102130535552 is a wasteful number, since it uses less digits than its factorization.

102130535552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17845 (or 17833 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

Adding to 102130535552 its reverse (255535031201), we get a palindrome (357665566753).

The spelling of 102130535552 in words is "one hundred two billion, one hundred thirty million, five hundred thirty-five thousand, five hundred fifty-two".