13550032425 has 24 divisors (see below), whose sum is σ = 22410311680. Its totient is φ = 7224235200.

The previous prime is 13550032421. The next prime is 13550032429. The reversal of 13550032425 is 52423005531.

It is an interprime number because it is at equal distance from previous prime (13550032421) and next prime (13550032429).

It is not a de Polignac number, because 13550032425 - 2² = 13550032421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13550032392 and 13550032401.

It is not an unprimeable number, because it can be changed into a prime (13550032421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204120 + ... + 262230.

Almost surely, 2^13550032425 is an apocalyptic number.

13550032425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13550032425 is a deficient number, since it is larger than the sum of its proper divisors (8860279255).

13550032425 is a wasteful number, since it uses less digits than its factorization.

13550032425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61233 (or 61228 counting only the distinct ones).

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

Adding to 13550032425 its reverse (52423005531), we get a palindrome (65973037956).

The spelling of 13550032425 in words is "thirteen billion, five hundred fifty million, thirty-two thousand, four hundred twenty-five".