2015135645527 has 2 divisors, whose sum is σ = 2015135645528. Its totient is φ = 2015135645526.

The previous prime is 2015135645507. The next prime is 2015135645557. The reversal of 2015135645527 is 7255465315102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015135645527 - 2²⁷ = 2015001427799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015135645507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007567822763 + 1007567822764.

It is an arithmetic number, because the mean of its divisors is an integer number (1007567822764).

Almost surely, 2^{2015135645527} is an apocalyptic number.

2015135645527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015135645527 is an equidigital number, since it uses as much as digits as its factorization.

2015135645527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 46.

It can be divided in two parts, 2015135 and 645527, that added together give a palindrome (2660662).

The spelling of 2015135645527 in words is "two trillion, fifteen billion, one hundred thirty-five million, six hundred forty-five thousand, five hundred twenty-seven".