15834053855 has 4 divisors (see below), whose sum is σ = 19000864632. Its totient is φ = 12667243080.

The previous prime is 15834053821. The next prime is 15834053857. The reversal of 15834053855 is 55835043851.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55835043851 = 349 ⋅159985799.

It is not a de Polignac number, because 15834053855 - 2¹⁰ = 15834052831 is a prime.

It is a super-2 number, since 2×15834053855² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15834053857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583405381 + ... + 1583405390.

It is an arithmetic number, because the mean of its divisors is an integer number (4750216158).

Almost surely, 2^15834053855 is an apocalyptic number.

15834053855 is a deficient number, since it is larger than the sum of its proper divisors (3166810777).

15834053855 is an equidigital number, since it uses as much as digits as its factorization.

15834053855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166810776.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 15834053855 in words is "fifteen billion, eight hundred thirty-four million, fifty-three thousand, eight hundred fifty-five".