26010104505 has 64 divisors (see below), whose sum is σ = 52659652608. Its totient is φ = 10648028160.

The previous prime is 26010104453. The next prime is 26010104509. The reversal of 26010104505 is 50540101062.

It is not a de Polignac number, because 26010104505 - 2⁷ = 26010104377 is a prime.

It is a super-2 number, since 2×26010104505² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26010104509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90672 + ... + 245441.

It is an arithmetic number, because the mean of its divisors is an integer number (822807072).

Almost surely, 2^26010104505 is an apocalyptic number.

It is an amenable number.

26010104505 is an abundant number, since it is smaller than the sum of its proper divisors (26649548103).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26010104505 is a wasteful number, since it uses less digits than its factorization.

26010104505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336206.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 26010104505 its reverse (50540101062), we get a palindrome (76550205567).

The spelling of 26010104505 in words is "twenty-six billion, ten million, one hundred four thousand, five hundred five".