135253210511 has 4 divisors (see below), whose sum is σ = 135255505632. Its totient is φ = 135250915392.

The previous prime is 135253210493. The next prime is 135253210517. The reversal of 135253210511 is 115012352531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115012352531 = 16561 ⋅6944771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135253210511 is a prime.

It is a super-2 number, since 2×135253210511² (a number of 23 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 (135253210517) 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, 1056770 + ... + 1177823.

It is an arithmetic number, because the mean of its divisors is an integer number (33813876408).

Almost surely, 2^135253210511 is an apocalyptic number.

135253210511 is a deficient number, since it is larger than the sum of its proper divisors (2295121).

135253210511 is an equidigital number, since it uses as much as digits as its factorization.

135253210511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295120.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 135253210511 in words is "one hundred thirty-five billion, two hundred fifty-three million, two hundred ten thousand, five hundred eleven".