26661519360001 has 8 divisors (see below), whose sum is σ = 26786853872064. Its totient is φ = 26536366362960.

The previous prime is 26661519359957. The next prime is 26661519360011. The reversal of 26661519360001 is 10006391516662.

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 26661519360001 - 2³¹ = 26659371876353 is a prime.

It is a super-2 number, since 2×26661519360001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26661519360011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45084295 + ... + 45671836.

It is an arithmetic number, because the mean of its divisors is an integer number (3348356734008).

Almost surely, 2^{26661519360001} is an apocalyptic number.

It is an amenable number.

26661519360001 is a deficient number, since it is larger than the sum of its proper divisors (125334512063).

26661519360001 is a wasteful number, since it uses less digits than its factorization.

26661519360001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90757511.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 26661519360001 in words is "twenty-six trillion, six hundred sixty-one billion, five hundred nineteen million, three hundred sixty thousand, one".