13520550026 has 4 divisors (see below), whose sum is σ = 20280825042. Its totient is φ = 6760275012.

The previous prime is 13520550013. The next prime is 13520550031. The reversal of 13520550026 is 62005502531.

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 only one way, i.e., 11995725625 + 1524824401 = 109525^2 + 39049^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3380137505 + ... + 3380137508.

Almost surely, 2^13520550026 is an apocalyptic number.

13520550026 is a deficient number, since it is larger than the sum of its proper divisors (6760275016).

13520550026 is an equidigital number, since it uses as much as digits as its factorization.

13520550026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760275015.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 13520550026 in words is "thirteen billion, five hundred twenty million, five hundred fifty thousand, twenty-six".