13525401418 has 8 divisors (see below), whose sum is σ = 20288807748. Its totient is φ = 6762465504.

The previous prime is 13525401391. The next prime is 13525401419. The reversal of 13525401418 is 81410452531.

It can be written as a sum of positive squares in 2 ways, for example, as 12882931009 + 642470409 = 113503^2 + 25347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13525401419) 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, 33771 + ... + 167902.

Almost surely, 2^13525401418 is an apocalyptic number.

13525401418 is a deficient number, since it is larger than the sum of its proper divisors (6763406330).

13525401418 is a wasteful number, since it uses less digits than its factorization.

13525401418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235208.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 13525401418 its reverse (81410452531), we get a palindrome (94935853949).

The spelling of 13525401418 in words is "thirteen billion, five hundred twenty-five million, four hundred one thousand, four hundred eighteen".