11867346897 has 32 divisors (see below), whose sum is σ = 18616108800. Its totient is φ = 6721263360.

The previous prime is 11867346817. The next prime is 11867346917. The reversal of 11867346897 is 79864376811.

It is not a de Polignac number, because 11867346897 - 2¹¹ = 11867344849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11867346897.

It is not an unprimeable number, because it can be changed into a prime (11867346817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65247 + ... + 167307.

It is an arithmetic number, because the mean of its divisors is an integer number (581753400).

Almost surely, 2^11867346897 is an apocalyptic number.

It is an amenable number.

11867346897 is a deficient number, since it is larger than the sum of its proper divisors (6748761903).

11867346897 is a wasteful number, since it uses less digits than its factorization.

11867346897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102198 (or 102184 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The spelling of 11867346897 in words is "eleven billion, eight hundred sixty-seven million, three hundred forty-six thousand, eight hundred ninety-seven".