13450552124425 has 36 divisors (see below), whose sum is σ = 18175385794980. Its totient is φ = 9869449224960.

The previous prime is 13450552124363. The next prime is 13450552124491. The reversal of 13450552124425 is 52442125505431.

It can be written as a sum of positive squares in 18 ways, for example, as 13028540783049 + 422011341376 = 3609507^2 + 649624^2 .

It is not a de Polignac number, because 13450552124425 - 2¹⁷ = 13450551993353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9475410 + ... + 10802059.

Almost surely, 2^{13450552124425} is an apocalyptic number.

It is an amenable number.

13450552124425 is a deficient number, since it is larger than the sum of its proper divisors (4724833670555).

13450552124425 is a wasteful number, since it uses less digits than its factorization.

13450552124425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20277662 (or 20277644 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 13450552124425 its reverse (52442125505431), we get a palindrome (65892677629856).

The spelling of 13450552124425 in words is "thirteen trillion, four hundred fifty billion, five hundred fifty-two million, one hundred twenty-four thousand, four hundred twenty-five".