11772431706 has 16 divisors (see below), whose sum is σ = 26908415424. Its totient is φ = 3363551904.

The previous prime is 11772431689. The next prime is 11772431707. The reversal of 11772431706 is 60713427711.

It is not an unprimeable number, because it can be changed into a prime (11772431707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140147955 + ... + 140148038.

It is an arithmetic number, because the mean of its divisors is an integer number (1681775964).

Almost surely, 2^11772431706 is an apocalyptic number.

11772431706 is an abundant number, since it is smaller than the sum of its proper divisors (15135983718).

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

11772431706 is a wasteful number, since it uses less digits than its factorization.

11772431706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280296005.

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 11772431706 in words is "eleven billion, seven hundred seventy-two million, four hundred thirty-one thousand, seven hundred six".