38745967215811 has 8 divisors (see below), whose sum is σ = 38857959868464. Its totient is φ = 38633987166720.

The previous prime is 38745967215793. The next prime is 38745967215863. The reversal of 38745967215811 is 11851276954783.

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 38745967215811 - 2⁵ = 38745967215779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38745967615811) 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, 3023871 + ... + 9307831.

It is an arithmetic number, because the mean of its divisors is an integer number (4857244983558).

Almost surely, 2^{38745967215811} is an apocalyptic number.

38745967215811 is a deficient number, since it is larger than the sum of its proper divisors (111992652653).

38745967215811 is a wasteful number, since it uses less digits than its factorization.

38745967215811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301781.

The product of its digits is 101606400, while the sum is 67.

The spelling of 38745967215811 in words is "thirty-eight trillion, seven hundred forty-five billion, nine hundred sixty-seven million, two hundred fifteen thousand, eight hundred eleven".