135110011531 has 8 divisors (see below), whose sum is σ = 147407736384. Its totient is φ = 122814786120.

The previous prime is 135110011471. The next prime is 135110011571.

135110011531 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 135110011531 - 2¹³ = 135110003339 is a prime.

It is a super-2 number, since 2×135110011531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135110011571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510925 + ... + 728878.

It is an arithmetic number, because the mean of its divisors is an integer number (18425967048).

Almost surely, 2^135110011531 is an apocalyptic number.

135110011531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135110011531 is a deficient number, since it is larger than the sum of its proper divisors (12297724853).

135110011531 is a wasteful number, since it uses less digits than its factorization.

135110011531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249721.

The product of its (nonzero) digits is 225, while the sum is 22.

It can be divided in two parts, 1351100 and 11531, that added together give a palindrome (1362631).

The spelling of 135110011531 in words is "one hundred thirty-five billion, one hundred ten million, eleven thousand, five hundred thirty-one".