15159848985 has 12 divisors (see below), whose sum is σ = 26277071652. Its totient is φ = 8085252768.

The previous prime is 15159848971. The next prime is 15159849037. The reversal of 15159848985 is 58984895151.

It can be written as a sum of positive squares in 2 ways, for example, as 8148131289 + 7011717696 = 90267^2 + 83736^2 .

It is not a de Polignac number, because 15159848985 - 2⁴ = 15159848969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168442722 + ... + 168442811.

It is an arithmetic number, because the mean of its divisors is an integer number (2189755971).

Almost surely, 2^15159848985 is an apocalyptic number.

15159848985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15159848985 is a deficient number, since it is larger than the sum of its proper divisors (11117222667).

15159848985 is a wasteful number, since it uses less digits than its factorization.

15159848985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336885544 (or 336885541 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 63.

The spelling of 15159848985 in words is "fifteen billion, one hundred fifty-nine million, eight hundred forty-eight thousand, nine hundred eighty-five".