11527969652 has 6 divisors (see below), whose sum is σ = 20173946898. Its totient is φ = 5763984824.

The previous prime is 11527969619. The next prime is 11527969669. The reversal of 11527969652 is 25696972511.

It can be written as a sum of positive squares in only one way, i.e., 7217521936 + 4310447716 = 84956^2 + 65654^2 .

It is a super-2 number, since 2×11527969652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11527969594 and 11527969603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440996203 + ... + 1440996210.

It is an arithmetic number, because the mean of its divisors is an integer number (3362324483).

Almost surely, 2^11527969652 is an apocalyptic number.

It is an amenable number.

11527969652 is a deficient number, since it is larger than the sum of its proper divisors (8645977246).

11527969652 is a wasteful number, since it uses less digits than its factorization.

11527969652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881992417 (or 2881992415 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 53.

The spelling of 11527969652 in words is "eleven billion, five hundred twenty-seven million, nine hundred sixty-nine thousand, six hundred fifty-two".