15441525664 has 24 divisors (see below), whose sum is σ = 31107494880. Its totient is φ = 7541209536.

The previous prime is 15441525643. The next prime is 15441525679. The reversal of 15441525664 is 46652514451.

15441525664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 15441525664.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5609644 + ... + 5612395.

It is an arithmetic number, because the mean of its divisors is an integer number (1296145620).

Almost surely, 2^15441525664 is an apocalyptic number.

It is an amenable number.

15441525664 is an abundant number, since it is smaller than the sum of its proper divisors (15665969216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15441525664 is a wasteful number, since it uses less digits than its factorization.

15441525664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222092 (or 11222084 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The spelling of 15441525664 in words is "fifteen billion, four hundred forty-one million, five hundred twenty-five thousand, six hundred sixty-four".