13425351135541 has 4 divisors (see below), whose sum is σ = 13447990851372. Its totient is φ = 13402711419712.

The previous prime is 13425351135533. The next prime is 13425351135557. The reversal of 13425351135541 is 14553115352431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11852699700625 + 1572651434916 = 3442775^2 + 1254054^2 .

It is a cyclic number.

It is not a de Polignac number, because 13425351135541 - 2³ = 13425351135533 is a prime.

It is a super-2 number, since 2×13425351135541² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425351135641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11319857026 + ... + 11319858211.

It is an arithmetic number, because the mean of its divisors is an integer number (3361997712843).

Almost surely, 2^{13425351135541} is an apocalyptic number.

It is an amenable number.

13425351135541 is a deficient number, since it is larger than the sum of its proper divisors (22639715831).

13425351135541 is an equidigital number, since it uses as much as digits as its factorization.

13425351135541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22639715830.

The product of its digits is 540000, while the sum is 43.

Adding to 13425351135541 its reverse (14553115352431), we get a palindrome (27978466487972).

The spelling of 13425351135541 in words is "thirteen trillion, four hundred twenty-five billion, three hundred fifty-one million, one hundred thirty-five thousand, five hundred forty-one".