135435521055011 has 4 divisors (see below), whose sum is σ = 135435568129224. Its totient is φ = 135435473980800.

The previous prime is 135435521054989. The next prime is 135435521055013. The reversal of 135435521055011 is 110550125534531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135435521055011 - 2⁶ = 135435521054947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135435521055011.

It is not an unprimeable number, because it can be changed into a prime (135435521055013) 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, 18919550 + ... + 25076291.

It is an arithmetic number, because the mean of its divisors is an integer number (33858892032306).

Almost surely, 2^{135435521055011} is an apocalyptic number.

135435521055011 is a deficient number, since it is larger than the sum of its proper divisors (47074213).

135435521055011 is an equidigital number, since it uses as much as digits as its factorization.

135435521055011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47074212.

The product of its (nonzero) digits is 225000, while the sum is 41.

Adding to 135435521055011 its reverse (110550125534531), we get a palindrome (245985646589542).

The spelling of 135435521055011 in words is "one hundred thirty-five trillion, four hundred thirty-five billion, five hundred twenty-one million, fifty-five thousand, eleven".