26390025000015 has 32 divisors (see below), whose sum is σ = 44186841709056. Its totient is φ = 13423939816320.

The previous prime is 26390024999927. The next prime is 26390025000019. The reversal of 26390025000015 is 51000052009362.

It is not a de Polignac number, because 26390025000015 - 2⁷ = 26390024999887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26390025000015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26390025000019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110100496 + ... + 110339925.

It is an arithmetic number, because the mean of its divisors is an integer number (1380838803408).

Almost surely, 2^{26390025000015} is an apocalyptic number.

26390025000015 is a deficient number, since it is larger than the sum of its proper divisors (17796816709041).

26390025000015 is a wasteful number, since it uses less digits than its factorization.

26390025000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220440799.

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 26390025000015 its reverse (51000052009362), we get a palindrome (77390077009377).

The spelling of 26390025000015 in words is "twenty-six trillion, three hundred ninety billion, twenty-five million, fifteen", and thus it is an aban number.