15530345452 has 6 divisors (see below), whose sum is σ = 27178104548. Its totient is φ = 7765172724.

The previous prime is 15530345449. The next prime is 15530345491. The reversal of 15530345452 is 25454303551.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1941293178 + ... + 1941293185.

Almost surely, 2^15530345452 is an apocalyptic number.

It is an amenable number.

15530345452 is a deficient number, since it is larger than the sum of its proper divisors (11647759096).

15530345452 is a wasteful number, since it uses less digits than its factorization.

15530345452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882586367 (or 3882586365 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 15530345452 in words is "fifteen billion, five hundred thirty million, three hundred forty-five thousand, four hundred fifty-two".