11867588697 has 16 divisors (see below), whose sum is σ = 15866270208. Its totient is φ = 7890347520.

The previous prime is 11867588693. The next prime is 11867588741. The reversal of 11867588697 is 79688576811.

It is not a de Polignac number, because 11867588697 - 2² = 11867588693 is a prime.

It is a super-2 number, since 2×11867588697² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11867588693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1938313 + ... + 1944425.

It is an arithmetic number, because the mean of its divisors is an integer number (991641888).

Almost surely, 2^11867588697 is an apocalyptic number.

It is an amenable number.

11867588697 is a deficient number, since it is larger than the sum of its proper divisors (3998681511).

11867588697 is an equidigital number, since it uses as much as digits as its factorization.

11867588697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760.

The product of its digits is 40642560, while the sum is 66.

The spelling of 11867588697 in words is "eleven billion, eight hundred sixty-seven million, five hundred eighty-eight thousand, six hundred ninety-seven".