11536581436 has 6 divisors (see below), whose sum is σ = 20189017520. Its totient is φ = 5768290716.

The previous prime is 11536581409. The next prime is 11536581547. The reversal of 11536581436 is 63418563511.

11536581436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11536581436² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11536581392 and 11536581401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442072676 + ... + 1442072683.

Almost surely, 2^11536581436 is an apocalyptic number.

It is an amenable number.

11536581436 is a deficient number, since it is larger than the sum of its proper divisors (8652436084).

11536581436 is a wasteful number, since it uses less digits than its factorization.

11536581436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884145363 (or 2884145361 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The spelling of 11536581436 in words is "eleven billion, five hundred thirty-six million, five hundred eighty-one thousand, four hundred thirty-six".