102151333520 has 80 divisors (see below), whose sum is σ = 241448921280. Its totient is φ = 40186977792.

The previous prime is 102151333489. The next prime is 102151333549. The reversal of 102151333520 is 25333151201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 102151333520.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1146914 + ... + 1232766.

It is an arithmetic number, because the mean of its divisors is an integer number (3018111516).

Almost surely, 2^102151333520 is an apocalyptic number.

102151333520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102151333520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120724460640).

102151333520 is an abundant number, since it is smaller than the sum of its proper divisors (139297587760).

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

102151333520 is a wasteful number, since it uses less digits than its factorization.

102151333520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86112 (or 86106 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 102151333520 its reverse (25333151201), we get a palindrome (127484484721).

The spelling of 102151333520 in words is "one hundred two billion, one hundred fifty-one million, three hundred thirty-three thousand, five hundred twenty".