15950071047 has 4 divisors (see below), whose sum is σ = 21266761400. Its totient is φ = 10633380696.

The previous prime is 15950071031. The next prime is 15950071063. The reversal of 15950071047 is 74017005951.

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

It is an interprime number because it is at equal distance from previous prime (15950071031) and next prime (15950071063).

It is not a de Polignac number, because 15950071047 - 2⁴ = 15950071031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15950070996 and 15950071014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15950071087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658345172 + ... + 2658345177.

It is an arithmetic number, because the mean of its divisors is an integer number (5316690350).

Almost surely, 2^15950071047 is an apocalyptic number.

15950071047 is a deficient number, since it is larger than the sum of its proper divisors (5316690353).

15950071047 is an equidigital number, since it uses as much as digits as its factorization.

15950071047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316690352.

The product of its (nonzero) digits is 44100, while the sum is 39.

Adding to 15950071047 its reverse (74017005951), we get a palindrome (89967076998).

The spelling of 15950071047 in words is "fifteen billion, nine hundred fifty million, seventy-one thousand, forty-seven".