11961658232367 has 8 divisors (see below), whose sum is σ = 15950644085040. Its totient is φ = 7973555600640.

The previous prime is 11961658232353. The next prime is 11961658232369. The reversal of 11961658232367 is 76323285616911.

It is a happy number.

11961658232367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11961658232367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11961658232367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11961658232369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220773634 + ... + 220827807.

It is an arithmetic number, because the mean of its divisors is an integer number (1993830510630).

Almost surely, 2^{11961658232367} is an apocalyptic number.

11961658232367 is a deficient number, since it is larger than the sum of its proper divisors (3988985852673).

11961658232367 is an equidigital number, since it uses as much as digits as its factorization.

11961658232367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441610473.

The product of its digits is 19595520, while the sum is 60.

The spelling of 11961658232367 in words is "eleven trillion, nine hundred sixty-one billion, six hundred fifty-eight million, two hundred thirty-two thousand, three hundred sixty-seven".