26615054004463 has 2 divisors, whose sum is σ = 26615054004464. Its totient is φ = 26615054004462.

The previous prime is 26615054004457. The next prime is 26615054004491. The reversal of 26615054004463 is 36440045051662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26615054004463 - 2⁵ = 26615054004431 is a prime.

It is a super-2 number, since 2×26615054004463² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26615054004433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13307527002231 + 13307527002232.

It is an arithmetic number, because the mean of its divisors is an integer number (13307527002232).

Almost surely, 2^{26615054004463} is an apocalyptic number.

26615054004463 is a deficient number, since it is larger than the sum of its proper divisors (1).

26615054004463 is an equidigital number, since it uses as much as digits as its factorization.

26615054004463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 26615054004463 in words is "twenty-six trillion, six hundred fifteen billion, fifty-four million, four thousand, four hundred sixty-three".