15021533452 has 12 divisors (see below), whose sum is σ = 26425316736. Its totient is φ = 7471442960.

The previous prime is 15021533431. The next prime is 15021533459. The reversal of 15021533452 is 25433512051.

It is not an unprimeable number, because it can be changed into a prime (15021533459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9830083 + ... + 9831610.

It is an arithmetic number, because the mean of its divisors is an integer number (2202109728).

Almost surely, 2^15021533452 is an apocalyptic number.

It is an amenable number.

15021533452 is a deficient number, since it is larger than the sum of its proper divisors (11403783284).

15021533452 is a wasteful number, since it uses less digits than its factorization.

15021533452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19661888 (or 19661886 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 15021533452 in words is "fifteen billion, twenty-one million, five hundred thirty-three thousand, four hundred fifty-two".