11478488249 has 2 divisors, whose sum is σ = 11478488250. Its totient is φ = 11478488248.

The previous prime is 11478488243. The next prime is 11478488267. The reversal of 11478488249 is 94288487411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11439799849 + 38688400 = 106957^2 + 6220^2 .

It is a cyclic number.

It is not a de Polignac number, because 11478488249 - 2²⁴ = 11461711033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11478488194 and 11478488203.

It is not a weakly prime, because it can be changed into another prime (11478488243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5739244124 + 5739244125.

It is an arithmetic number, because the mean of its divisors is an integer number (5739244125).

Almost surely, 2^11478488249 is an apocalyptic number.

It is an amenable number.

11478488249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11478488249 is an equidigital number, since it uses as much as digits as its factorization.

11478488249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4128768, while the sum is 56.

The spelling of 11478488249 in words is "eleven billion, four hundred seventy-eight million, four hundred eighty-eight thousand, two hundred forty-nine".