15504435500461 has 8 divisors (see below), whose sum is σ = 15517382359680. Its totient is φ = 15491489182512.

The previous prime is 15504435500401. The next prime is 15504435500483. The reversal of 15504435500461 is 16400553440551.

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 15504435500461 - 2¹³ = 15504435492269 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 (15504435500401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74057016 + ... + 74266078.

It is an arithmetic number, because the mean of its divisors is an integer number (1939672794960).

Almost surely, 2^{15504435500461} is an apocalyptic number.

It is an amenable number.

15504435500461 is a deficient number, since it is larger than the sum of its proper divisors (12946859219).

15504435500461 is a wasteful number, since it uses less digits than its factorization.

15504435500461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270635.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 15504435500461 in words is "fifteen trillion, five hundred four billion, four hundred thirty-five million, five hundred thousand, four hundred sixty-one".