26288190065 has 8 divisors (see below), whose sum is σ = 31549487040. Its totient is φ = 21028112752.

The previous prime is 26288190029. The next prime is 26288190079. The reversal of 26288190065 is 56009188262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26288190065 - 2¹⁸ = 26287927921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256805 + ... + 344274.

It is an arithmetic number, because the mean of its divisors is an integer number (3943685880).

Almost surely, 2^26288190065 is an apocalyptic number.

It is an amenable number.

26288190065 is a deficient number, since it is larger than the sum of its proper divisors (5261296975).

26288190065 is an equidigital number, since it uses as much as digits as its factorization.

26288190065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609831.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 26288190065 in words is "twenty-six billion, two hundred eighty-eight million, one hundred ninety thousand, sixty-five".