15915145349363 has 8 divisors (see below), whose sum is σ = 17140072868688. Its totient is φ = 14690315768544.

The previous prime is 15915145349287. The next prime is 15915145349393. The reversal of 15915145349363 is 36394354151951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15915145349363 - 2¹⁰ = 15915145348339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15915145349393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24146945 + ... + 24797282.

It is an arithmetic number, because the mean of its divisors is an integer number (2142509108586).

Almost surely, 2^{15915145349363} is an apocalyptic number.

15915145349363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15915145349363 is a deficient number, since it is larger than the sum of its proper divisors (1224927519325).

15915145349363 is a wasteful number, since it uses less digits than its factorization.

15915145349363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48969253.

The product of its digits is 26244000, while the sum is 59.

The spelling of 15915145349363 in words is "fifteen trillion, nine hundred fifteen billion, one hundred forty-five million, three hundred forty-nine thousand, three hundred sixty-three".