11725213527449 has 2 divisors, whose sum is σ = 11725213527450. Its totient is φ = 11725213527448.

The previous prime is 11725213527373. The next prime is 11725213527457. The reversal of 11725213527449 is 94472531252711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8252089296025 + 3473124231424 = 2872645^2 + 1863632^2 .

It is a cyclic number.

It is not a de Polignac number, because 11725213527449 - 2⁸ = 11725213527193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11725213527449.

It is not a weakly prime, because it can be changed into another prime (11725213523449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5862606763724 + 5862606763725.

It is an arithmetic number, because the mean of its divisors is an integer number (5862606763725).

Almost surely, 2^{11725213527449} is an apocalyptic number.

It is an amenable number.

11725213527449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11725213527449 is an equidigital number, since it uses as much as digits as its factorization.

11725213527449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 53.

The spelling of 11725213527449 in words is "eleven trillion, seven hundred twenty-five billion, two hundred thirteen million, five hundred twenty-seven thousand, four hundred forty-nine".