135551203311 has 16 divisors (see below), whose sum is σ = 182048135040. Its totient is φ = 89713246560.

The previous prime is 135551203309. The next prime is 135551203339. The reversal of 135551203311 is 113302155531.

It is not a de Polignac number, because 135551203311 - 2¹ = 135551203309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135551203301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68385 + ... + 525146.

It is an arithmetic number, because the mean of its divisors is an integer number (11378008440).

Almost surely, 2^135551203311 is an apocalyptic number.

135551203311 is a deficient number, since it is larger than the sum of its proper divisors (46496931729).

135551203311 is a wasteful number, since it uses less digits than its factorization.

135551203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594086.

The product of its (nonzero) digits is 6750, while the sum is 30.

Adding to 135551203311 its reverse (113302155531), we get a palindrome (248853358842).

The spelling of 135551203311 in words is "one hundred thirty-five billion, five hundred fifty-one million, two hundred three thousand, three hundred eleven".