15378552848 has 10 divisors (see below), whose sum is σ = 29795946174. Its totient is φ = 7689276416.

The previous prime is 15378552829. The next prime is 15378552913. The reversal of 15378552848 is 84825587351.

It can be written as a sum of positive squares in only one way, i.e., 15200917264 + 177635584 = 123292^2 + 13328^2 .

It is a super-2 number, since 2×15378552848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15378552793 and 15378552802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480579761 + ... + 480579792.

Almost surely, 2^15378552848 is an apocalyptic number.

It is an amenable number.

15378552848 is a deficient number, since it is larger than the sum of its proper divisors (14417393326).

15378552848 is an equidigital number, since it uses as much as digits as its factorization.

15378552848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961159561 (or 961159555 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 56.

The spelling of 15378552848 in words is "fifteen billion, three hundred seventy-eight million, five hundred fifty-two thousand, eight hundred forty-eight".