1054320015505 has 8 divisors (see below), whose sum is σ = 1266174773352. Its totient is φ = 842795509248.

The previous prime is 1054320015503. The next prime is 1054320015533. The reversal of 1054320015505 is 5055100234501.

It can be written as a sum of positive squares in 4 ways, for example, as 40752304384 + 1013567711121 = 201872^2 + 1006761^2 .

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 1054320015505 - 2¹ = 1054320015503 is a prime.

It is a super-2 number, since 2×1054320015505² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054320015503) 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, 82555872 + ... + 82568641.

It is an arithmetic number, because the mean of its divisors is an integer number (158271846669).

Almost surely, 2^{1054320015505} is an apocalyptic number.

It is an amenable number.

1054320015505 is a deficient number, since it is larger than the sum of its proper divisors (211854757847).

1054320015505 is a wasteful number, since it uses less digits than its factorization.

1054320015505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165125795.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 1054320015505 in words is "one trillion, fifty-four billion, three hundred twenty million, fifteen thousand, five hundred five".