11856718862 has 16 divisors (see below), whose sum is σ = 18373005312. Its totient is φ = 5732679960.

The previous prime is 11856718823. The next prime is 11856718873. The reversal of 11856718862 is 26881765811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7403 + ... + 154169.

It is an arithmetic number, because the mean of its divisors is an integer number (1148312832).

Almost surely, 2^11856718862 is an apocalyptic number.

11856718862 is a deficient number, since it is larger than the sum of its proper divisors (6516286450).

11856718862 is a wasteful number, since it uses less digits than its factorization.

11856718862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148103.

The product of its digits is 1290240, while the sum is 53.

The spelling of 11856718862 in words is "eleven billion, eight hundred fifty-six million, seven hundred eighteen thousand, eight hundred sixty-two".