13665026001 has 32 divisors (see below), whose sum is σ = 20269928448. Its totient is φ = 8119232640.

The previous prime is 13665025993. The next prime is 13665026017. The reversal of 13665026001 is 10062056631.

It is not a de Polignac number, because 13665026001 - 2³ = 13665025993 is a prime.

It is a super-3 number, since 3×13665026001³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13665026001.

It is not an unprimeable number, because it can be changed into a prime (13665026051) 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, 385320 + ... + 419286.

It is an arithmetic number, because the mean of its divisors is an integer number (633435264).

Almost surely, 2^13665026001 is an apocalyptic number.

13665026001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13665026001 is a deficient number, since it is larger than the sum of its proper divisors (6604902447).

13665026001 is a wasteful number, since it uses less digits than its factorization.

13665026001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34221.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 13665026001 in words is "thirteen billion, six hundred sixty-five million, twenty-six thousand, one".