102051523728 has 160 divisors (see below), whose sum is σ = 365206149120. Its totient is φ = 26506880640.

The previous prime is 102051523723. The next prime is 102051523729. The reversal of 102051523728 is 827325150201.

102051523728 is a `hidden beast` number, since 10 + 2 + 0 + 51 + 523 + 72 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 102051523692 and 102051523701.

It is not an unprimeable number, because it can be changed into a prime (102051523723) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1500700 + ... + 1567227.

It is an arithmetic number, because the mean of its divisors is an integer number (2282538432).

Almost surely, 2^102051523728 is an apocalyptic number.

102051523728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

102051523728 is an abundant number, since it is smaller than the sum of its proper divisors (263154625392).

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

102051523728 is a wasteful number, since it uses less digits than its factorization.

102051523728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067962 (or 3067950 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

Adding to 102051523728 its reverse (827325150201), we get a palindrome (929376673929).

The spelling of 102051523728 in words is "one hundred two billion, fifty-one million, five hundred twenty-three thousand, seven hundred twenty-eight".