11554565136 has 40 divisors (see below), whose sum is σ = 29980816224. Its totient is φ = 3834551040.

The previous prime is 11554565129. The next prime is 11554565137. The reversal of 11554565136 is 63156545511.

It is not an unprimeable number, because it can be changed into a prime (11554565137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519325 + ... + 541116.

Almost surely, 2^11554565136 is an apocalyptic number.

11554565136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11554565136 is an abundant number, since it is smaller than the sum of its proper divisors (18426251088).

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

11554565136 is a wasteful number, since it uses less digits than its factorization.

11554565136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060679 (or 1060673 counting only the distinct ones).

The product of its digits is 270000, while the sum is 42.

The spelling of 11554565136 in words is "eleven billion, five hundred fifty-four million, five hundred sixty-five thousand, one hundred thirty-six".