26531227052845 has 16 divisors (see below), whose sum is σ = 32500197544320. Its totient is φ = 20785900631104.

The previous prime is 26531227052843. The next prime is 26531227052849. The reversal of 26531227052845 is 54825072213562.

It is a cyclic number.

It is not a de Polignac number, because 26531227052845 - 2¹ = 26531227052843 is a prime.

It is a super-2 number, since 2×26531227052845² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26531227052792 and 26531227052801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26531227052843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170904094 + ... + 171059263.

It is an arithmetic number, because the mean of its divisors is an integer number (2031262346520).

Almost surely, 2^{26531227052845} is an apocalyptic number.

It is an amenable number.

26531227052845 is a deficient number, since it is larger than the sum of its proper divisors (5968970491475).

26531227052845 is a wasteful number, since it uses less digits than its factorization.

26531227052845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341963684.

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 26531227052845 in words is "twenty-six trillion, five hundred thirty-one billion, two hundred twenty-seven million, fifty-two thousand, eight hundred forty-five".