15248047378 has 8 divisors (see below), whose sum is σ = 22898762172. Its totient is φ = 7615126656.

The previous prime is 15248047369. The next prime is 15248047403. The reversal of 15248047378 is 87374084251.

It can be written as a sum of positive squares in 2 ways, for example, as 10646731489 + 4601315889 = 103183^2 + 67833^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4446375 + ... + 4449802.

Almost surely, 2^15248047378 is an apocalyptic number.

15248047378 is a deficient number, since it is larger than the sum of its proper divisors (7650714794).

15248047378 is an equidigital number, since it uses as much as digits as its factorization.

15248047378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8897036.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 15248047378 in words is "fifteen billion, two hundred forty-eight million, forty-seven thousand, three hundred seventy-eight".