104353520520 has 64 divisors (see below), whose sum is σ = 313086553920. Its totient is φ = 27825295104.

The previous prime is 104353520471. The next prime is 104353520521. The reversal of 104353520520 is 25025353401.

It is a super-2 number, since 2×104353520520² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (104353520521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1804779 + ... + 1861701.

It is an arithmetic number, because the mean of its divisors is an integer number (4891977405).

Almost surely, 2^104353520520 is an apocalyptic number.

104353520520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104353520520 is an abundant number, since it is smaller than the sum of its proper divisors (208733033400).

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

104353520520 is a wasteful number, since it uses less digits than its factorization.

104353520520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72214 (or 72210 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 104353520520 its reverse (25025353401), we get a palindrome (129378873921).

The spelling of 104353520520 in words is "one hundred four billion, three hundred fifty-three million, five hundred twenty thousand, five hundred twenty".