11115432152 has 64 divisors (see below), whose sum is σ = 22873536000. Its totient is φ = 5022051840.

The previous prime is 11115432113. The next prime is 11115432161. The reversal of 11115432152 is 25123451111.

It is a super-2 number, since 2×11115432152² (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, 18556349 + ... + 18556947.

It is an arithmetic number, because the mean of its divisors is an integer number (357399000).

Almost surely, 2^11115432152 is an apocalyptic number.

It is an amenable number.

11115432152 is an abundant number, since it is smaller than the sum of its proper divisors (11758103848).

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

11115432152 is a wasteful number, since it uses less digits than its factorization.

11115432152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 1532 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

Adding to 11115432152 its reverse (25123451111), we get a palindrome (36238883263).

The spelling of 11115432152 in words is "eleven billion, one hundred fifteen million, four hundred thirty-two thousand, one hundred fifty-two".