11298021730009 has 15 divisors (see below), whose sum is σ = 13180433236607. Its totient is φ = 9683877453096.

The previous prime is 11298021729991. The next prime is 11298021730033. The reversal of 11298021730009 is 90003712089211.

The square root of 11298021730009 is 3361253.

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

It can be written as a sum of positive squares in only one way, i.e., 1269576830025 + 10028444899984 = 1126755^2 + 3166772^2 .

It is not a de Polignac number, because 11298021730009 - 2¹⁵ = 11298021697241 is a prime.

It is a super-2 number, since 2×11298021730009² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11298021739009) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 164667099 + ... + 164735695.

Almost surely, 2^{11298021730009} is an apocalyptic number.

11298021730009 is the 3361253-rd square number.

11298021730009 is the 1680627-th centered octagonal number.

It is an amenable number.

11298021730009 is a deficient number, since it is larger than the sum of its proper divisors (1882411506598).

11298021730009 is an frugal number, since it uses more digits than its factorization.

11298021730009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137222 (or 68604 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 11298021730009 in words is "eleven trillion, two hundred ninety-eight billion, twenty-one million, seven hundred thirty thousand, nine".