15852795385 has 8 divisors (see below), whose sum is σ = 21740976576.
Its totient is φ = 10870488240.
The previous prime is 15852795377. The next prime is 15852795403. The reversal of 15852795385 is 58359725851.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 15852795385 - 23 = 15852795377 is a prime.
It is a super-2 number, since 2×158527953852 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226468471 + ... + 226468540.
It is an arithmetic number, because the mean of its divisors is an integer number (2717622072).
Almost surely, 215852795385 is an apocalyptic number.
It is an amenable number.
15852795385 is a deficient number, since it is larger than the sum of its proper divisors (5888181191).
15852795385 is an equidigital number, since it uses as much as digits as its factorization.
15852795385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 452937023.
The product of its digits is 15120000, while the sum is 58.
The spelling of 15852795385 in words is "fifteen billion, eight hundred fifty-two million, seven hundred ninety-five thousand, three hundred eighty-five".