15655402947 has 8 divisors (see below), whose sum is σ = 20915704000. Its totient is φ = 10416018600.

The previous prime is 15655402937. The next prime is 15655402951. The reversal of 15655402947 is 74920455651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15655402947 - 2¹¹ = 15655400899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15655402896 and 15655402905.

It is not an unprimeable number, because it can be changed into a prime (15655402937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5227429 + ... + 5230422.

It is an arithmetic number, because the mean of its divisors is an integer number (2614463000).

Almost surely, 2^15655402947 is an apocalyptic number.

15655402947 is a deficient number, since it is larger than the sum of its proper divisors (5260301053).

15655402947 is a wasteful number, since it uses less digits than its factorization.

15655402947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10458353.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 15655402947 in words is "fifteen billion, six hundred fifty-five million, four hundred two thousand, nine hundred forty-seven".