15278050628272 has 40 divisors (see below), whose sum is σ = 29889266245280. Its totient is φ = 7564694837760.

The previous prime is 15278050628263. The next prime is 15278050628329. The reversal of 15278050628272 is 27282605087251.

It is a happy number.

It is an unprimeable number.

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, 115308622 + ... + 115441042.

It is an arithmetic number, because the mean of its divisors is an integer number (747231656132).

Almost surely, 2^{15278050628272} is an apocalyptic number.

It is an amenable number.

15278050628272 is a deficient number, since it is larger than the sum of its proper divisors (14611215617008).

15278050628272 is a wasteful number, since it uses less digits than its factorization.

15278050628272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202541 (or 202535 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 15278050628272 in words is "fifteen trillion, two hundred seventy-eight billion, fifty million, six hundred twenty-eight thousand, two hundred seventy-two".