11545007247 has 32 divisors (see below), whose sum is σ = 17527810560. Its totient is φ = 7508064960.

The previous prime is 11545007209. The next prime is 11545007273. The reversal of 11545007247 is 74270054511.

11545007247 is a `hidden beast` number, since 1 + 1 + 545 + 0 + 0 + 72 + 47 = 666.

It is not a de Polignac number, because 11545007247 - 2¹⁰ = 11545006223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545007147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155347 + ... + 217307.

It is an arithmetic number, because the mean of its divisors is an integer number (547744080).

Almost surely, 2^11545007247 is an apocalyptic number.

11545007247 is a deficient number, since it is larger than the sum of its proper divisors (5982803313).

11545007247 is a wasteful number, since it uses less digits than its factorization.

11545007247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62140 (or 62134 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 11545007247 in words is "eleven billion, five hundred forty-five million, seven thousand, two hundred forty-seven".