15711428645 has 48 divisors (see below), whose sum is σ = 22176324288. Its totient is φ = 10593116160.

The previous prime is 15711428633. The next prime is 15711428647. The reversal of 15711428645 is 54682411751.

It is not a de Polignac number, because 15711428645 - 2⁸ = 15711428389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15711428596 and 15711428605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15711428647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1057589 + ... + 1072341.

It is an arithmetic number, because the mean of its divisors is an integer number (462006756).

Almost surely, 2^15711428645 is an apocalyptic number.

It is an amenable number.

15711428645 is a deficient number, since it is larger than the sum of its proper divisors (6464895643).

15711428645 is a wasteful number, since it uses less digits than its factorization.

15711428645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14870 (or 14853 counting only the distinct ones).

The product of its digits is 268800, while the sum is 44.

The spelling of 15711428645 in words is "fifteen billion, seven hundred eleven million, four hundred twenty-eight thousand, six hundred forty-five".