15530455342 has 4 divisors (see below), whose sum is σ = 23295683016. Its totient is φ = 7765227670.

The previous prime is 15530455273. The next prime is 15530455427. The reversal of 15530455342 is 24355403551.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3882613834 + ... + 3882613837.

It is an arithmetic number, because the mean of its divisors is an integer number (5823920754).

Almost surely, 2^15530455342 is an apocalyptic number.

15530455342 is a deficient number, since it is larger than the sum of its proper divisors (7765227674).

15530455342 is an equidigital number, since it uses as much as digits as its factorization.

15530455342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7765227673.

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

Adding to 15530455342 its reverse (24355403551), we get a palindrome (39885858893).

The spelling of 15530455342 in words is "fifteen billion, five hundred thirty million, four hundred fifty-five thousand, three hundred forty-two".