15085051227 has 16 divisors (see below), whose sum is σ = 22354524160. Its totient is φ = 10053865800.

The previous prime is 15085051217. The next prime is 15085051229. The reversal of 15085051227 is 72215058051.

It is not a de Polignac number, because 15085051227 - 2⁴ = 15085051211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15085051191 and 15085051200.

It is not an unprimeable number, because it can be changed into a prime (15085051229) 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, 21102 + ... + 174972.

It is an arithmetic number, because the mean of its divisors is an integer number (1397157760).

Almost surely, 2^15085051227 is an apocalyptic number.

15085051227 is a deficient number, since it is larger than the sum of its proper divisors (7269472933).

15085051227 is a wasteful number, since it uses less digits than its factorization.

15085051227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157511 (or 157505 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The spelling of 15085051227 in words is "fifteen billion, eighty-five million, fifty-one thousand, two hundred twenty-seven".