11521006532152 has 32 divisors (see below), whose sum is σ = 23263712060400. Its totient is φ = 5317355361024.

The previous prime is 11521006532141. The next prime is 11521006532173. The reversal of 11521006532152 is 25123560012511.

It is a super-2 number, since 2×11521006532152² (a number of 27 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 7 ways as a sum of consecutive naturals, for example, 29877843 + ... + 30260989.

Almost surely, 2^{11521006532152} is an apocalyptic number.

It is an amenable number.

11521006532152 is an abundant number, since it is smaller than the sum of its proper divisors (11742705528248).

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

11521006532152 is a wasteful number, since it uses less digits than its factorization.

11521006532152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672295 (or 672291 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 11521006532152 its reverse (25123560012511), we get a palindrome (36644566544663).

The spelling of 11521006532152 in words is "eleven trillion, five hundred twenty-one billion, six million, five hundred thirty-two thousand, one hundred fifty-two".