135053155601 has 12 divisors (see below), whose sum is σ = 169187470452. Its totient is φ = 106855243488.

The previous prime is 135053155543. The next prime is 135053155649. The reversal of 135053155601 is 106551350531.

It can be written as a sum of positive squares in 2 ways, for example, as 87232213201 + 47820942400 = 295351^2 + 218680^2 .

It is a de Polignac number, because none of the positive numbers 2^k-135053155601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135053155681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106006550 + ... + 106007823.

It is an arithmetic number, because the mean of its divisors is an integer number (14098955871).

Almost surely, 2^135053155601 is an apocalyptic number.

It is an amenable number.

135053155601 is a deficient number, since it is larger than the sum of its proper divisors (34134314851).

135053155601 is a wasteful number, since it uses less digits than its factorization.

135053155601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212014400 (or 212014393 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 35.

The spelling of 135053155601 in words is "one hundred thirty-five billion, fifty-three million, one hundred fifty-five thousand, six hundred one".