11512533532 has 6 divisors (see below), whose sum is σ = 20146933688. Its totient is φ = 5756266764.

The previous prime is 11512533517. The next prime is 11512533583. The reversal of 11512533532 is 23533521511.

It is a junction number, because it is equal to n+sod(n) for n = 11512533494 and 11512533503.

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, 1439066688 + ... + 1439066695.

Almost surely, 2^11512533532 is an apocalyptic number.

It is an amenable number.

11512533532 is a deficient number, since it is larger than the sum of its proper divisors (8634400156).

11512533532 is a wasteful number, since it uses less digits than its factorization.

11512533532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878133387 (or 2878133385 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The spelling of 11512533532 in words is "eleven billion, five hundred twelve million, five hundred thirty-three thousand, five hundred thirty-two".