11985162692 has 12 divisors (see below), whose sum is σ = 21540900780. Its totient is φ = 5830619616.

The previous prime is 11985162691. The next prime is 11985162701. The reversal of 11985162692 is 29626158911.

It can be written as a sum of positive squares in 2 ways, for example, as 6241948036 + 5743214656 = 79006^2 + 75784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11985162692.

It is not an unprimeable number, because it can be changed into a prime (11985162691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40490267 + ... + 40490562.

It is an arithmetic number, because the mean of its divisors is an integer number (1795075065).

Almost surely, 2^11985162692 is an apocalyptic number.

It is an amenable number.

11985162692 is a deficient number, since it is larger than the sum of its proper divisors (9555738088).

11985162692 is a wasteful number, since it uses less digits than its factorization.

11985162692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80980870 (or 80980868 counting only the distinct ones).

The product of its digits is 466560, while the sum is 50.

The spelling of 11985162692 in words is "eleven billion, nine hundred eighty-five million, one hundred sixty-two thousand, six hundred ninety-two".