15485758855 has 16 divisors (see below), whose sum is σ = 21671035200. Its totient is φ = 10618804896.

The previous prime is 15485758793. The next prime is 15485758877. The reversal of 15485758855 is 55885758451.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-15485758855 is a prime.

It is a super-2 number, since 2×15485758855² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15485758793 and 15485758802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4513084 + ... + 4516513.

It is an arithmetic number, because the mean of its divisors is an integer number (1354439700).

Almost surely, 2^15485758855 is an apocalyptic number.

15485758855 is a deficient number, since it is larger than the sum of its proper divisors (6185276345).

15485758855 is an frugal number, since it uses more digits than its factorization.

15485758855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029623 (or 9029609 counting only the distinct ones).

The product of its digits is 44800000, while the sum is 61.

The spelling of 15485758855 in words is "fifteen billion, four hundred eighty-five million, seven hundred fifty-eight thousand, eight hundred fifty-five".