11856869692 has 6 divisors (see below), whose sum is σ = 20749521968. Its totient is φ = 5928434844.

The previous prime is 11856869683. The next prime is 11856869699. The reversal of 11856869692 is 29696865811.

It is a self number, because there is not a number n which added to its sum of digits gives 11856869692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11856869699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1482108708 + ... + 1482108715.

Almost surely, 2^11856869692 is an apocalyptic number.

It is an amenable number.

11856869692 is a deficient number, since it is larger than the sum of its proper divisors (8892652276).

11856869692 is a wasteful number, since it uses less digits than its factorization.

11856869692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964217427 (or 2964217425 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 61.

The spelling of 11856869692 in words is "eleven billion, eight hundred fifty-six million, eight hundred sixty-nine thousand, six hundred ninety-two".