116071720249 has 3 divisors (see below), whose sum is σ = 116072060943. Its totient is φ = 116071379556.

The previous prime is 116071720241. The next prime is 116071720279. The reversal of 116071720249 is 942027170611.

The square root of 116071720249 is 340693.

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., 11398765225 + 104672955024 = 106765^2 + 323532^2 .

It is not a de Polignac number, because 116071720249 - 2³ = 116071720241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116071720241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 170347 + ... + 511039.

It is an arithmetic number, because the mean of its divisors is an integer number (38690686981).

Almost surely, 2^116071720249 is an apocalyptic number.

116071720249 is the 340693-rd square number.

116071720249 is the 170347-th centered octagonal number.

It is an amenable number.

116071720249 is a deficient number, since it is larger than the sum of its proper divisors (340694).

116071720249 is an frugal number, since it uses more digits than its factorization.

116071720249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681386 (or 340693 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

It can be divided in two parts, 11607 and 1720249, that added together give a square (1731856 = 1316²).

The spelling of 116071720249 in words is "one hundred sixteen billion, seventy-one million, seven hundred twenty thousand, two hundred forty-nine".