135421551011255 has 8 divisors (see below), whose sum is σ = 164114830137024. Its totient is φ = 107264594860000.

The previous prime is 135421551011209. The next prime is 135421551011303. The reversal of 135421551011255 is 552110155124531.

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

It is not a de Polignac number, because 135421551011255 - 2²⁶ = 135421483902391 is a prime.

It is a super-2 number, since 2×135421551011255² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134080743071 + ... + 134080744080.

It is an arithmetic number, because the mean of its divisors is an integer number (20514353767128).

Almost surely, 2^{135421551011255} is an apocalyptic number.

135421551011255 is a deficient number, since it is larger than the sum of its proper divisors (28693279125769).

135421551011255 is a wasteful number, since it uses less digits than its factorization.

135421551011255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268161487257.

The product of its (nonzero) digits is 150000, while the sum is 41.

The spelling of 135421551011255 in words is "one hundred thirty-five trillion, four hundred twenty-one billion, five hundred fifty-one million, eleven thousand, two hundred fifty-five".