13550531025 has 12 divisors (see below), whose sum is σ = 22403544752. Its totient is φ = 7226949840.

The previous prime is 13550531023. The next prime is 13550531063. The reversal of 13550531025 is 52013505531.

It is not a de Polignac number, because 13550531025 - 2¹ = 13550531023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13550530983 and 13550531001.

It is not an unprimeable number, because it can be changed into a prime (13550531023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90336799 + ... + 90336948.

Almost surely, 2^13550531025 is an apocalyptic number.

13550531025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13550531025 is a deficient number, since it is larger than the sum of its proper divisors (8853013727).

13550531025 is a wasteful number, since it uses less digits than its factorization.

13550531025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180673760 (or 180673755 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The spelling of 13550531025 in words is "thirteen billion, five hundred fifty million, five hundred thirty-one thousand, twenty-five".