15131440455055 has 8 divisors (see below), whose sum is σ = 18783857116800. Its totient is φ = 11687733316896.

The previous prime is 15131440455049. The next prime is 15131440455071. The reversal of 15131440455055 is 55055404413151.

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

It is a cyclic number.

It is not a de Polignac number, because 15131440455055 - 2²³ = 15131432066447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52177380735 + ... + 52177381024.

It is an arithmetic number, because the mean of its divisors is an integer number (2347982139600).

Almost surely, 2^{15131440455055} is an apocalyptic number.

15131440455055 is a deficient number, since it is larger than the sum of its proper divisors (3652416661745).

15131440455055 is a wasteful number, since it uses less digits than its factorization.

15131440455055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104354761793.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 15131440455055 in words is "fifteen trillion, one hundred thirty-one billion, four hundred forty million, four hundred fifty-five thousand, fifty-five".