26557701560860 has 48 divisors (see below), whose sum is σ = 56595989882880. Its totient is φ = 10466180674880.

The previous prime is 26557701560849. The next prime is 26557701560867. The reversal of 26557701560860 is 6806510775562.

It is a junction number, because it is equal to n+sod(n) for n = 26557701560795 and 26557701560804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26557701560867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4455094 + ... + 8541853.

It is an arithmetic number, because the mean of its divisors is an integer number (1179083122560).

Almost surely, 2^{26557701560860} is an apocalyptic number.

26557701560860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26557701560860 is an abundant number, since it is smaller than the sum of its proper divisors (30038288322020).

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

26557701560860 is a wasteful number, since it uses less digits than its factorization.

26557701560860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12998466 (or 12998464 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 26557701560860 in words is "twenty-six trillion, five hundred fifty-seven billion, seven hundred one million, five hundred sixty thousand, eight hundred sixty".