15494406428159 has 4 divisors (see below), whose sum is σ = 15854741461416. Its totient is φ = 15134071394904.

The previous prime is 15494406428087. The next prime is 15494406428191. The reversal of 15494406428159 is 95182460449451.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15494406428159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15494406428659) 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, 180167516564 + ... + 180167516649.

It is an arithmetic number, because the mean of its divisors is an integer number (3963685365354).

Almost surely, 2^{15494406428159} is an apocalyptic number.

15494406428159 is a deficient number, since it is larger than the sum of its proper divisors (360335033257).

15494406428159 is an equidigital number, since it uses as much as digits as its factorization.

15494406428159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360335033256.

The product of its (nonzero) digits is 49766400, while the sum is 62.

The spelling of 15494406428159 in words is "fifteen trillion, four hundred ninety-four billion, four hundred six million, four hundred twenty-eight thousand, one hundred fifty-nine".