11511132052 has 48 divisors (see below), whose sum is σ = 23832466560. Its totient is φ = 4759961472.

The previous prime is 11511132013. The next prime is 11511132067. The reversal of 11511132052 is 25023111511.

It is a super-2 number, since 2×11511132052² (a number of 21 digits) contains 22 as substring.

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, 1447078 + ... + 1455010.

It is an arithmetic number, because the mean of its divisors is an integer number (496509720).

Almost surely, 2^11511132052 is an apocalyptic number.

It is an amenable number.

11511132052 is an abundant number, since it is smaller than the sum of its proper divisors (12321334508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11511132052 is a wasteful number, since it uses less digits than its factorization.

11511132052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760 (or 9758 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 11511132052 its reverse (25023111511), we get a palindrome (36534243563).

The spelling of 11511132052 in words is "eleven billion, five hundred eleven million, one hundred thirty-two thousand, fifty-two".