15345020606 has 4 divisors (see below), whose sum is σ = 23017530912. Its totient is φ = 7672510302.

The previous prime is 15345020591. The next prime is 15345020609. The reversal of 15345020606 is 60602054351.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15345020609) 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 as a sum of consecutive naturals, namely, 3836255150 + ... + 3836255153.

It is an arithmetic number, because the mean of its divisors is an integer number (5754382728).

Almost surely, 2^15345020606 is an apocalyptic number.

15345020606 is a deficient number, since it is larger than the sum of its proper divisors (7672510306).

15345020606 is an equidigital number, since it uses as much as digits as its factorization.

15345020606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672510305.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 15345020606 its reverse (60602054351), we get a palindrome (75947074957).

The spelling of 15345020606 in words is "fifteen billion, three hundred forty-five million, twenty thousand, six hundred six".