15412221452 has 48 divisors (see below), whose sum is σ = 27740476512. Its totient is φ = 7489996800.

The previous prime is 15412221427. The next prime is 15412221463. The reversal of 15412221452 is 25412221451.

15412221452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 9554198 + ... + 9555810.

It is an arithmetic number, because the mean of its divisors is an integer number (577926594).

Almost surely, 2^15412221452 is an apocalyptic number.

It is an amenable number.

15412221452 is a deficient number, since it is larger than the sum of its proper divisors (12328255060).

15412221452 is a wasteful number, since it uses less digits than its factorization.

15412221452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138 (or 2136 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

Subtracting 15412221452 from its reverse (25412221451), we obtain a palindrome (9999999999).

The spelling of 15412221452 in words is "fifteen billion, four hundred twelve million, two hundred twenty-one thousand, four hundred fifty-two".