11636416540 has 48 divisors (see below), whose sum is σ = 27936522432. Its totient is φ = 3988325376.

The previous prime is 11636416523. The next prime is 11636416579. The reversal of 11636416540 is 4561463611.

It is a self number, because there is not a number n which added to its sum of digits gives 11636416540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480564 + ... + 504196.

It is an arithmetic number, because the mean of its divisors is an integer number (582010884).

Almost surely, 2^11636416540 is an apocalyptic number.

11636416540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11636416540 is an abundant number, since it is smaller than the sum of its proper divisors (16300105892).

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

11636416540 is a wasteful number, since it uses less digits than its factorization.

11636416540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27166 (or 27164 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 11636416540 in words is "eleven billion, six hundred thirty-six million, four hundred sixteen thousand, five hundred forty".