15601966047 has 6 divisors (see below), whose sum is σ = 22536173192. Its totient is φ = 10401310692.

The previous prime is 15601966031. The next prime is 15601966111. The reversal of 15601966047 is 74066910651.

It is not a de Polignac number, because 15601966047 - 2⁴ = 15601966031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15601965993 and 15601966011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15601966547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 866775883 + ... + 866775900.

Almost surely, 2^15601966047 is an apocalyptic number.

15601966047 is a deficient number, since it is larger than the sum of its proper divisors (6934207145).

15601966047 is a wasteful number, since it uses less digits than its factorization.

15601966047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733551789 (or 1733551786 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 15601966047 in words is "fifteen billion, six hundred one million, nine hundred sixty-six thousand, forty-seven".