11962031552689 has 3 divisors (see below), whose sum is σ = 11962035011307. Its totient is φ = 11962028094072.

The previous prime is 11962031552663. The next prime is 11962031552711. The reversal of 11962031552689 is 98625513026911.

It is a happy number.

The square root of 11962031552689 is 3458617.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7643980800625 + 4318050752064 = 2764775^2 + 2077992^2 .

It is not a de Polignac number, because 11962031552689 - 2²⁵ = 11961997998257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11962031555689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1729309 + ... + 5187925.

It is an arithmetic number, because the mean of its divisors is an integer number (3987345003769).

Almost surely, 2^{11962031552689} is an apocalyptic number.

11962031552689 is the 3458617-th square number.

11962031552689 is the 1729309-th centered octagonal number.

It is an amenable number.

11962031552689 is a deficient number, since it is larger than the sum of its proper divisors (3458618).

11962031552689 is an frugal number, since it uses more digits than its factorization.

11962031552689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917234 (or 3458617 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 11962031552689 in words is "eleven trillion, nine hundred sixty-two billion, thirty-one million, five hundred fifty-two thousand, six hundred eighty-nine".