11512354131532 has 12 divisors (see below), whose sum is σ = 20146650603016. Its totient is φ = 5756168244960.

The previous prime is 11512354131451. The next prime is 11512354131587. The reversal of 11512354131532 is 23513145321511.

It is a junction number, because it is equal to n+sod(n) for n = 11512354131491 and 11512354131500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378432 + ... + 4992472.

Almost surely, 2^{11512354131532} is an apocalyptic number.

It is an amenable number.

11512354131532 is a deficient number, since it is larger than the sum of its proper divisors (8634296471484).

11512354131532 is a wasteful number, since it uses less digits than its factorization.

11512354131532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410408 (or 4410406 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The spelling of 11512354131532 in words is "eleven trillion, five hundred twelve billion, three hundred fifty-four million, one hundred thirty-one thousand, five hundred thirty-two".