1149551724197 has 4 divisors (see below), whose sum is σ = 1149553991436. Its totient is φ = 1149549456960.

The previous prime is 1149551724187. The next prime is 1149551724263. The reversal of 1149551724197 is 7914271559411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163421296516 + 986130427681 = 404254^2 + 993041^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149551724197 - 2⁸ = 1149551723941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149551724107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14573 + ... + 1516349.

It is an arithmetic number, because the mean of its divisors is an integer number (287388497859).

Almost surely, 2^{1149551724197} is an apocalyptic number.

It is an amenable number.

1149551724197 is a deficient number, since it is larger than the sum of its proper divisors (2267239).

1149551724197 is an equidigital number, since it uses as much as digits as its factorization.

1149551724197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267238.

The product of its digits is 3175200, while the sum is 56.

The spelling of 1149551724197 in words is "one trillion, one hundred forty-nine billion, five hundred fifty-one million, seven hundred twenty-four thousand, one hundred ninety-seven".