11452565528 has 8 divisors (see below), whose sum is σ = 21473560380. Its totient is φ = 5726282760.

The previous prime is 11452565503. The next prime is 11452565549. The reversal of 11452565528 is 82556525411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11452565528² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715785338 + ... + 715785353.

Almost surely, 2^11452565528 is an apocalyptic number.

It is an amenable number.

11452565528 is a deficient number, since it is larger than the sum of its proper divisors (10020994852).

11452565528 is a wasteful number, since it uses less digits than its factorization.

11452565528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431570697 (or 1431570693 counting only the distinct ones).

The product of its digits is 480000, while the sum is 44.

The spelling of 11452565528 in words is "eleven billion, four hundred fifty-two million, five hundred sixty-five thousand, five hundred twenty-eight".