11511033340234 has 32 divisors (see below), whose sum is σ = 18194495634000. Its totient is φ = 5453990115840.

The previous prime is 11511033340159. The next prime is 11511033340283. The reversal of 11511033340234 is 43204333011511.

It can be written as a sum of positive squares in 8 ways, for example, as 2145272855625 + 9365760484609 = 1464675^2 + 3060353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11511033340196 and 11511033340205.

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, 1942809 + ... + 5176540.

Almost surely, 2^{11511033340234} is an apocalyptic number.

11511033340234 is a deficient number, since it is larger than the sum of its proper divisors (6683462293766).

11511033340234 is a wasteful number, since it uses less digits than its factorization.

11511033340234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119898.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 11511033340234 its reverse (43204333011511), we get a palindrome (54715366351745).

The spelling of 11511033340234 in words is "eleven trillion, five hundred eleven billion, thirty-three million, three hundred forty thousand, two hundred thirty-four".