11884266145 has 4 divisors (see below), whose sum is σ = 14261119380. Its totient is φ = 9507412912.

The previous prime is 11884266139. The next prime is 11884266181. The reversal of 11884266145 is 54166248811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54166248811 = 25237 ⋅2146303.

It can be written as a sum of positive squares in 2 ways, for example, as 2603448576 + 9280817569 = 51024^2 + 96337^2 .

It is a cyclic number.

It is not a de Polignac number, because 11884266145 - 2¹³ = 11884257953 is a prime.

It is a super-2 number, since 2×11884266145² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11884266095 and 11884266104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188426610 + ... + 1188426619.

It is an arithmetic number, because the mean of its divisors is an integer number (3565279845).

Almost surely, 2^11884266145 is an apocalyptic number.

It is an amenable number.

11884266145 is a deficient number, since it is larger than the sum of its proper divisors (2376853235).

11884266145 is an equidigital number, since it uses as much as digits as its factorization.

11884266145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376853234.

The product of its digits is 368640, while the sum is 46.

The spelling of 11884266145 in words is "eleven billion, eight hundred eighty-four million, two hundred sixty-six thousand, one hundred forty-five".