2011501500005 has 16 divisors (see below), whose sum is σ = 2439784308720. Its totient is φ = 1591969047552.

The previous prime is 2011501499977. The next prime is 2011501500013. The reversal of 2011501500005 is 5000051051102.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 109041285796 + 1902460214209 = 330214^2 + 1379297^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011501500005 - 2⁴⁰ = 911989872229 is a prime.

It is a super-2 number, since 2×2011501500005² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011501500005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5415044 + ... + 5774573.

It is an arithmetic number, because the mean of its divisors is an integer number (152486519295).

Almost surely, 2^{2011501500005} is an apocalyptic number.

It is an amenable number.

2011501500005 is a deficient number, since it is larger than the sum of its proper divisors (428282808715).

2011501500005 is a wasteful number, since it uses less digits than its factorization.

2011501500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190008.

The product of its (nonzero) digits is 250, while the sum is 20.

Adding to 2011501500005 its reverse (5000051051102), we get a palindrome (7011552551107).

The spelling of 2011501500005 in words is "two trillion, eleven billion, five hundred one million, five hundred thousand, five".