15627728401 has 16 divisors (see below), whose sum is σ = 16232186880. Its totient is φ = 15029847360.

The previous prime is 15627728393. The next prime is 15627728449. The reversal of 15627728401 is 10482772651.

15627728401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15627728401 - 2³ = 15627728393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15627728461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3531076 + ... + 3535498.

It is an arithmetic number, because the mean of its divisors is an integer number (1014511680).

Almost surely, 2^15627728401 is an apocalyptic number.

It is an amenable number.

15627728401 is a deficient number, since it is larger than the sum of its proper divisors (604458479).

15627728401 is a wasteful number, since it uses less digits than its factorization.

15627728401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 15627728401 in words is "fifteen billion, six hundred twenty-seven million, seven hundred twenty-eight thousand, four hundred one".