135101125060261 has 4 divisors (see below), whose sum is σ = 135114929210752. Its totient is φ = 135087320909772.

The previous prime is 135101125060259. The next prime is 135101125060267. The reversal of 135101125060261 is 162060521101531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135101125060261 - 2¹ = 135101125060259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135101125060267) 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, 6902060565 + ... + 6902080138.

It is an arithmetic number, because the mean of its divisors is an integer number (33778732302688).

Almost surely, 2^{135101125060261} is an apocalyptic number.

It is an amenable number.

135101125060261 is a deficient number, since it is larger than the sum of its proper divisors (13804150491).

135101125060261 is an equidigital number, since it uses as much as digits as its factorization.

135101125060261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13804150490.

The product of its (nonzero) digits is 10800, while the sum is 34.

Adding to 135101125060261 its reverse (162060521101531), we get a palindrome (297161646161792).

The spelling of 135101125060261 in words is "one hundred thirty-five trillion, one hundred one billion, one hundred twenty-five million, sixty thousand, two hundred sixty-one".