11455783568 has 10 divisors (see below), whose sum is σ = 22195580694. Its totient is φ = 5727891776.

The previous prime is 11455783561. The next prime is 11455783571. The reversal of 11455783568 is 86538755411.

It can be written as a sum of positive squares in only one way, i.e., 11450712064 + 5071504 = 107008^2 + 2252^2 .

It is not an unprimeable number, because it can be changed into a prime (11455783561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357993221 + ... + 357993252.

Almost surely, 2^11455783568 is an apocalyptic number.

It is an amenable number.

11455783568 is a deficient number, since it is larger than the sum of its proper divisors (10739797126).

11455783568 is an equidigital number, since it uses as much as digits as its factorization.

11455783568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715986481 (or 715986475 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 53.

The spelling of 11455783568 in words is "eleven billion, four hundred fifty-five million, seven hundred eighty-three thousand, five hundred sixty-eight".