38340121045251 has 16 divisors (see below), whose sum is σ = 52250496249600. Its totient is φ = 24999311459808.

The previous prime is 38340121045229. The next prime is 38340121045279. The reversal of 38340121045251 is 15254012104383.

It is not a de Polignac number, because 38340121045251 - 2²⁷ = 38339986827523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38340121045951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549738871 + ... + 549808608.

It is an arithmetic number, because the mean of its divisors is an integer number (3265656015600).

Almost surely, 2^{38340121045251} is an apocalyptic number.

38340121045251 is a deficient number, since it is larger than the sum of its proper divisors (13910375204349).

38340121045251 is a wasteful number, since it uses less digits than its factorization.

38340121045251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099547738.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 38340121045251 in words is "thirty-eight trillion, three hundred forty billion, one hundred twenty-one million, forty-five thousand, two hundred fifty-one".