26115004406251 has 12 divisors (see below), whose sum is σ = 27390667132080. Its totient is φ = 24869082934080.

The previous prime is 26115004406213. The next prime is 26115004406273. The reversal of 26115004406251 is 15260440051162.

It is not a de Polignac number, because 26115004406251 - 2³⁹ = 25565248592363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26115004406251.

It is not an unprimeable number, because it can be changed into a prime (26115004406201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84337615 + ... + 84646696.

It is an arithmetic number, because the mean of its divisors is an integer number (2282555594340).

Almost surely, 2^{26115004406251} is an apocalyptic number.

26115004406251 is a deficient number, since it is larger than the sum of its proper divisors (1275662725829).

26115004406251 is an equidigital number, since it uses as much as digits as its factorization.

26115004406251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168984486 (or 168984413 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 26115004406251 in words is "twenty-six trillion, one hundred fifteen billion, four million, four hundred six thousand, two hundred fifty-one".