11986550807 has 16 divisors (see below), whose sum is σ = 14951692800. Its totient is φ = 9335531040.

The previous prime is 11986550803. The next prime is 11986550819. The reversal of 11986550807 is 70805568911.

It is not a de Polignac number, because 11986550807 - 2² = 11986550803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11986550803) 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, 121694 + ... + 196932.

It is an arithmetic number, because the mean of its divisors is an integer number (934480800).

Almost surely, 2^11986550807 is an apocalyptic number.

11986550807 is a deficient number, since it is larger than the sum of its proper divisors (2965141993).

11986550807 is a wasteful number, since it uses less digits than its factorization.

11986550807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77326.

The product of its (nonzero) digits is 604800, while the sum is 50.

The spelling of 11986550807 in words is "eleven billion, nine hundred eighty-six million, five hundred fifty thousand, eight hundred seven".