13353500320425 has 18 divisors (see below), whose sum is σ = 23917602796542. Its totient is φ = 7121866837440.

The previous prime is 13353500320409. The next prime is 13353500320453. The reversal of 13353500320425 is 52402300535331.

13353500320425 is a `hidden beast` number, since 1 + 33 + 53 + 500 + 32 + 0 + 42 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 401361527961 + 12952138792464 = 633531^2 + 3598908^2 .

It is not a de Polignac number, because 13353500320425 - 2⁴ = 13353500320409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13353500320425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29674444932 + ... + 29674445381.

It is an arithmetic number, because the mean of its divisors is an integer number (1328755710919).

Almost surely, 2^{13353500320425} is an apocalyptic number.

13353500320425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13353500320425 is a deficient number, since it is larger than the sum of its proper divisors (10564102476117).

13353500320425 is a wasteful number, since it uses less digits than its factorization.

13353500320425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59348890329 (or 59348890321 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 13353500320425 its reverse (52402300535331), we get a palindrome (65755800855756).

The spelling of 13353500320425 in words is "thirteen trillion, three hundred fifty-three billion, five hundred million, three hundred twenty thousand, four hundred twenty-five".