11642436536 has 32 divisors (see below), whose sum is σ = 23430306240. Its totient is φ = 5403737088.

The previous prime is 11642436529. The next prime is 11642436551. The reversal of 11642436536 is 63563424611.

It is a junction number, because it is equal to n+sod(n) for n = 11642436493 and 11642436502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576416 + ... + 596271.

It is an arithmetic number, because the mean of its divisors is an integer number (732197070).

Almost surely, 2^11642436536 is an apocalyptic number.

It is an amenable number.

11642436536 is an abundant number, since it is smaller than the sum of its proper divisors (11787869704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11642436536 is a wasteful number, since it uses less digits than its factorization.

11642436536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172783 (or 1172779 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 11642436536 in words is "eleven billion, six hundred forty-two million, four hundred thirty-six thousand, five hundred thirty-six".