2015113729 has 2 divisors, whose sum is σ = 2015113730. Its totient is φ = 2015113728.

The previous prime is 2015113679. The next prime is 2015113741. The reversal of 2015113729 is 9273115102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1207701504 + 807412225 = 34752^2 + 28415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015113729 - 2¹⁹ = 2014589441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2015113729.

It is not a weakly prime, because it can be changed into another prime (2015113759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007556864 + 1007556865.

It is an arithmetic number, because the mean of its divisors is an integer number (1007556865).

Almost surely, 2^2015113729 is an apocalyptic number.

It is an amenable number.

2015113729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015113729 is an equidigital number, since it uses as much as digits as its factorization.

2015113729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 2015113729 is about 44890.0181443492. The cubic root of 2015113729 is about 1263.0867731402.

The spelling of 2015113729 in words is "two billion, fifteen million, one hundred thirteen thousand, seven hundred twenty-nine".