11487751806 has 32 divisors (see below), whose sum is σ = 23035887360. Its totient is φ = 3819203136.

The previous prime is 11487751801. The next prime is 11487751831. The reversal of 11487751806 is 60815778411.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487751801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5000050 + ... + 5002346.

It is an arithmetic number, because the mean of its divisors is an integer number (719871480).

Almost surely, 2^11487751806 is an apocalyptic number.

11487751806 is an abundant number, since it is smaller than the sum of its proper divisors (11548135554).

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

11487751806 is a wasteful number, since it uses less digits than its factorization.

11487751806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128.

The product of its (nonzero) digits is 376320, while the sum is 48.

The spelling of 11487751806 in words is "eleven billion, four hundred eighty-seven million, seven hundred fifty-one thousand, eight hundred six".