26215323561011 has 8 divisors (see below), whose sum is σ = 28293663476064. Its totient is φ = 24145808869440.

The previous prime is 26215323560947. The next prime is 26215323561047. The reversal of 26215323561011 is 11016532351262.

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 26215323561011 - 2⁶ = 26215323560947 is a prime.

It is a Duffinian number.

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, 2206299695 + ... + 2206311576.

It is an arithmetic number, because the mean of its divisors is an integer number (3536707934508).

Almost surely, 2^{26215323561011} is an apocalyptic number.

26215323561011 is a deficient number, since it is larger than the sum of its proper divisors (2078339915053).

26215323561011 is a wasteful number, since it uses less digits than its factorization.

26215323561011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412611741.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 26215323561011 in words is "twenty-six trillion, two hundred fifteen billion, three hundred twenty-three million, five hundred sixty-one thousand, eleven".