26266556547361 has 32 divisors (see below), whose sum is σ = 28919293337088. Its totient is φ = 23705238850560.

The previous prime is 26266556547323. The next prime is 26266556547367. The reversal of 26266556547361 is 16374565566262.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26266556547361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26266556547293 and 26266556547302.

It is not an unprimeable number, because it can be changed into a prime (26266556547367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2784534301 + ... + 2784543733.

It is an arithmetic number, because the mean of its divisors is an integer number (903727916784).

Almost surely, 2^{26266556547361} is an apocalyptic number.

It is an amenable number.

26266556547361 is a deficient number, since it is larger than the sum of its proper divisors (2652736789727).

26266556547361 is a wasteful number, since it uses less digits than its factorization.

26266556547361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801.

The product of its digits is 326592000, while the sum is 64.

The spelling of 26266556547361 in words is "twenty-six trillion, two hundred sixty-six billion, five hundred fifty-six million, five hundred forty-seven thousand, three hundred sixty-one".