10000115511 has 24 divisors (see below), whose sum is σ = 14201454960. Its totient is φ = 6257844864.

The previous prime is 10000115417. The next prime is 10000115519. The reversal of 10000115511 is 11551100001.

10000115511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10000115511 - 2¹⁴ = 10000099127 is a prime.

It is a super-2 number, since 2×10000115511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000115519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75691 + ... + 160403.

It is an arithmetic number, because the mean of its divisors is an integer number (591727290).

Almost surely, 2^10000115511 is an apocalyptic number.

10000115511 is a deficient number, since it is larger than the sum of its proper divisors (4201339449).

10000115511 is a wasteful number, since it uses less digits than its factorization.

10000115511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84863 (or 84844 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 10000115511 its reverse (11551100001), we get a palindrome (21551215512).

The spelling of 10000115511 in words is "ten billion, one hundred fifteen thousand, five hundred eleven".