11547550497 has 32 divisors (see below), whose sum is σ = 17688287232. Its totient is φ = 6564184704.

The previous prime is 11547550477. The next prime is 11547550519. The reversal of 11547550497 is 79405574511.

It is not a de Polignac number, because 11547550497 - 2¹¹ = 11547548449 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11547550477) 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 31 ways as a sum of consecutive naturals, for example, 3976348 + ... + 3979250.

It is an arithmetic number, because the mean of its divisors is an integer number (552758976).

Almost surely, 2^11547550497 is an apocalyptic number.

It is an amenable number.

11547550497 is a deficient number, since it is larger than the sum of its proper divisors (6140736735).

11547550497 is a wasteful number, since it uses less digits than its factorization.

11547550497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837.

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 11547550497 in words is "eleven billion, five hundred forty-seven million, five hundred fifty thousand, four hundred ninety-seven".