15250272249 has 8 divisors (see below), whose sum is σ = 20367197440. Its totient is φ = 10150097616.

The previous prime is 15250272223. The next prime is 15250272283. The reversal of 15250272249 is 94227205251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15250272249 - 2⁵ = 15250272217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15250272449) 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 7 ways as a sum of consecutive naturals, for example, 4185514 + ... + 4189155.

It is an arithmetic number, because the mean of its divisors is an integer number (2545899680).

Almost surely, 2^15250272249 is an apocalyptic number.

It is an amenable number.

15250272249 is a deficient number, since it is larger than the sum of its proper divisors (5116925191).

15250272249 is an equidigital number, since it uses as much as digits as its factorization.

15250272249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375279.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 15250272249 in words is "fifteen billion, two hundred fifty million, two hundred seventy-two thousand, two hundred forty-nine".