15445053064 has 32 divisors (see below), whose sum is σ = 33105401280. Its totient is φ = 6617536704.

The previous prime is 15445053059. The next prime is 15445053119. The reversal of 15445053064 is 46035054451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186094 + ... + 255970.

It is an arithmetic number, because the mean of its divisors is an integer number (1034543790).

Almost surely, 2^15445053064 is an apocalyptic number.

15445053064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15445053064 is an abundant number, since it is smaller than the sum of its proper divisors (17660348216).

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

15445053064 is a wasteful number, since it uses less digits than its factorization.

15445053064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73837 (or 73833 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 15445053064 in words is "fifteen billion, four hundred forty-five million, fifty-three thousand, sixty-four".