10555555015 has 4 divisors (see below), whose sum is σ = 12666666024. Its totient is φ = 8444444008.

The previous prime is 10555554991. The next prime is 10555555061. The reversal of 10555555015 is 51055555501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10555555015 - 2¹⁷ = 10555423943 is a prime.

It is a super-3 number, since 3×10555555015³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1055555497 + ... + 1055555506.

It is an arithmetic number, because the mean of its divisors is an integer number (3166666506).

Almost surely, 2^10555555015 is an apocalyptic number.

10555555015 is a deficient number, since it is larger than the sum of its proper divisors (2111111009).

10555555015 is an equidigital number, since it uses as much as digits as its factorization.

10555555015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111111008.

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 10555555015 in words is "ten billion, five hundred fifty-five million, five hundred fifty-five thousand, fifteen".