11540204645 has 8 divisors (see below), whose sum is σ = 13947874080. Its totient is φ = 9165744720.

The previous prime is 11540204623. The next prime is 11540204647. The reversal of 11540204645 is 54640204511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11540204645 - 2¹⁶ = 11540139109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540204647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8301611 + ... + 8303000.

It is an arithmetic number, because the mean of its divisors is an integer number (1743484260).

Almost surely, 2^11540204645 is an apocalyptic number.

It is an amenable number.

11540204645 is a deficient number, since it is larger than the sum of its proper divisors (2407669435).

11540204645 is a wasteful number, since it uses less digits than its factorization.

11540204645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16604755.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 11540204645 in words is "eleven billion, five hundred forty million, two hundred four thousand, six hundred forty-five".