26427666261355 has 16 divisors (see below), whose sum is σ = 33106218937920. Its totient is φ = 20214241429888.

The previous prime is 26427666261341. The next prime is 26427666261379. The reversal of 26427666261355 is 55316266672462.

It is a cyclic number.

It is not a de Polignac number, because 26427666261355 - 2²¹ = 26427664164203 is a prime.

It is a super-2 number, since 2×26427666261355² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26427666261293 and 26427666261302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48982840 + ... + 49519429.

It is an arithmetic number, because the mean of its divisors is an integer number (2069138683620).

Almost surely, 2^{26427666261355} is an apocalyptic number.

26427666261355 is a deficient number, since it is larger than the sum of its proper divisors (6678552676565).

26427666261355 is a wasteful number, since it uses less digits than its factorization.

26427666261355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98504630.

The product of its digits is 130636800, while the sum is 61.

The spelling of 26427666261355 in words is "twenty-six trillion, four hundred twenty-seven billion, six hundred sixty-six million, two hundred sixty-one thousand, three hundred fifty-five".