11632161536 has 18 divisors (see below), whose sum is σ = 23218885452. Its totient is φ = 5816080640.

The previous prime is 11632161533. The next prime is 11632161559. The reversal of 11632161536 is 63516123611.

It is a junction number, because it is equal to n+sod(n) for n = 11632161496 and 11632161505.

It is not an unprimeable number, because it can be changed into a prime (11632161533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22718810 + ... + 22719321.

Almost surely, 2^11632161536 is an apocalyptic number.

11632161536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11632161536 is a deficient number, since it is larger than the sum of its proper divisors (11586723916).

11632161536 is an frugal number, since it uses more digits than its factorization.

11632161536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45438147 (or 45438133 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The spelling of 11632161536 in words is "eleven billion, six hundred thirty-two million, one hundred sixty-one thousand, five hundred thirty-six".