1055320012015 has 8 divisors (see below), whose sum is σ = 1273014298368. Its totient is φ = 839835820320.

The previous prime is 1055320012001. The next prime is 1055320012079. The reversal of 1055320012015 is 5102100235501.

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

It is not a de Polignac number, because 1055320012015 - 2²³ = 1055311623407 is a prime.

It is a super-2 number, since 2×1055320012015² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552522612 + ... + 552524521.

It is an arithmetic number, because the mean of its divisors is an integer number (159126787296).

Almost surely, 2^{1055320012015} is an apocalyptic number.

1055320012015 is a deficient number, since it is larger than the sum of its proper divisors (217694286353).

1055320012015 is a wasteful number, since it uses less digits than its factorization.

1055320012015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105047329.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 1055320012015 its reverse (5102100235501), we get a palindrome (6157420247516).

The spelling of 1055320012015 in words is "one trillion, fifty-five billion, three hundred twenty million, twelve thousand, fifteen".