102104253520 has 160 divisors (see below), whose sum is σ = 267065942400. Its totient is φ = 36074815488.

The previous prime is 102104253457. The next prime is 102104253547. The reversal of 102104253520 is 25352401201.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2746416 + ... + 2783344.

It is an arithmetic number, because the mean of its divisors is an integer number (1669162140).

Almost surely, 2^102104253520 is an apocalyptic number.

102104253520 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 102104253520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133532971200).

102104253520 is an abundant number, since it is smaller than the sum of its proper divisors (164961688880).

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

102104253520 is a wasteful number, since it uses less digits than its factorization.

102104253520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37085 (or 37079 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 102104253520 its reverse (25352401201), we get a palindrome (127456654721).

The spelling of 102104253520 in words is "one hundred two billion, one hundred four million, two hundred fifty-three thousand, five hundred twenty".