15515345356 has 36 divisors (see below), whose sum is σ = 32749863888. Its totient is φ = 6299459424.

The previous prime is 15515345323. The next prime is 15515345369. The reversal of 15515345356 is 65354351551.

15515345356 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 11 ways as a sum of consecutive naturals, for example, 757371 + ... + 777586.

Almost surely, 2^15515345356 is an apocalyptic number.

It is an amenable number.

15515345356 is an abundant number, since it is smaller than the sum of its proper divisors (17234518532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15515345356 is a wasteful number, since it uses less digits than its factorization.

15515345356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535006 (or 1534985 counting only the distinct ones).

The product of its digits is 675000, while the sum is 43.

The spelling of 15515345356 in words is "fifteen billion, five hundred fifteen million, three hundred forty-five thousand, three hundred fifty-six".