11867288036 has 6 divisors (see below), whose sum is σ = 20767754070. Its totient is φ = 5933644016.

The previous prime is 11867288029. The next prime is 11867288057. The reversal of 11867288036 is 63088276811.

It can be written as a sum of positive squares in only one way, i.e., 10791054400 + 1076233636 = 103880^2 + 32806^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1483411001 + ... + 1483411008.

It is an arithmetic number, because the mean of its divisors is an integer number (3461292345).

Almost surely, 2^11867288036 is an apocalyptic number.

It is an amenable number.

11867288036 is a deficient number, since it is larger than the sum of its proper divisors (8900466034).

11867288036 is a wasteful number, since it uses less digits than its factorization.

11867288036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966822013 (or 2966822011 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 11867288036 in words is "eleven billion, eight hundred sixty-seven million, two hundred eighty-eight thousand, thirty-six".