1152250775281 has 2 divisors, whose sum is σ = 1152250775282. Its totient is φ = 1152250775280.

The previous prime is 1152250775261. The next prime is 1152250775287. The reversal of 1152250775281 is 1825770522511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1126748282256 + 25502493025 = 1061484^2 + 159695^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152250775281 - 2²⁵ = 1152217220849 is a prime.

It is a super-2 number, since 2×1152250775281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1152250775287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576125387640 + 576125387641.

It is an arithmetic number, because the mean of its divisors is an integer number (576125387641).

Almost surely, 2^{1152250775281} is an apocalyptic number.

It is an amenable number.

1152250775281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152250775281 is an equidigital number, since it uses as much as digits as its factorization.

1152250775281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392000, while the sum is 46.

The spelling of 1152250775281 in words is "one trillion, one hundred fifty-two billion, two hundred fifty million, seven hundred seventy-five thousand, two hundred eighty-one".