15195642009147 has 12 divisors (see below), whose sum is σ = 21970549985904. Its totient is φ = 10120602172560.

The previous prime is 15195642009089. The next prime is 15195642009151. The reversal of 15195642009147 is 74190024659151.

15195642009147 is a `hidden beast` number, since 1 + 5 + 1 + 95 + 6 + 420 + 0 + 91 + 47 = 666.

It is not a de Polignac number, because 15195642009147 - 2¹⁵ = 15195641976379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15195642009093 and 15195642009102.

It is not an unprimeable number, because it can be changed into a prime (15195642009047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818809668 + ... + 818828225.

It is an arithmetic number, because the mean of its divisors is an integer number (1830879165492).

Almost surely, 2^{15195642009147} is an apocalyptic number.

15195642009147 is a deficient number, since it is larger than the sum of its proper divisors (6774907976757).

15195642009147 is a wasteful number, since it uses less digits than its factorization.

15195642009147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637638930 (or 1637638927 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 15195642009147 in words is "fifteen trillion, one hundred ninety-five billion, six hundred forty-two million, nine thousand, one hundred forty-seven".