2015082125669 has 2 divisors, whose sum is σ = 2015082125670. Its totient is φ = 2015082125668.

The previous prime is 2015082125653. The next prime is 2015082125743. The reversal of 2015082125669 is 9665212805102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1417321203169 + 597760922500 = 1190513^2 + 773150^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015082125669 - 2⁴ = 2015082125653 is a prime.

It is a super-2 number, since 2×2015082125669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015082125629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007541062834 + 1007541062835.

It is an arithmetic number, because the mean of its divisors is an integer number (1007541062835).

Almost surely, 2^{2015082125669} is an apocalyptic number.

It is an amenable number.

2015082125669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015082125669 is an equidigital number, since it uses as much as digits as its factorization.

2015082125669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 2015082125669 in words is "two trillion, fifteen billion, eighty-two million, one hundred twenty-five thousand, six hundred sixty-nine".