13758116381021 has 8 divisors (see below), whose sum is σ = 13772931070080. Its totient is φ = 13743306162288.

The previous prime is 13758116380993. The next prime is 13758116381069. The reversal of 13758116381021 is 12018361185731.

13758116381021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13758116381021 - 2²⁶ = 13758049272157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13758116381521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5059400 + ... + 7287918.

It is an arithmetic number, because the mean of its divisors is an integer number (1721616383760).

Almost surely, 2^{13758116381021} is an apocalyptic number.

It is an amenable number.

13758116381021 is a deficient number, since it is larger than the sum of its proper divisors (14814689059).

13758116381021 is a wasteful number, since it uses less digits than its factorization.

13758116381021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235163.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 13758116381021 in words is "thirteen trillion, seven hundred fifty-eight billion, one hundred sixteen million, three hundred eighty-one thousand, twenty-one".