135525080215 has 16 divisors (see below), whose sum is σ = 189817500672. Its totient is φ = 90954216864.

The previous prime is 135525080143. The next prime is 135525080233. The reversal of 135525080215 is 512080525531.

It is not a de Polignac number, because 135525080215 - 2²⁹ = 134988209303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41191389 + ... + 41194678.

It is an arithmetic number, because the mean of its divisors is an integer number (11863593792).

Almost surely, 2^135525080215 is an apocalyptic number.

135525080215 is a deficient number, since it is larger than the sum of its proper divisors (54292420457).

135525080215 is an equidigital number, since it uses as much as digits as its factorization.

135525080215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82386126.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 135525080215 in words is "one hundred thirty-five billion, five hundred twenty-five million, eighty thousand, two hundred fifteen".