240411011257 has 2 divisors, whose sum is σ = 240411011258. Its totient is φ = 240411011256.

The previous prime is 240411011231. The next prime is 240411011273. The reversal of 240411011257 is 752110114042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227399274496 + 13011736761 = 476864^2 + 114069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240411011257 is a prime.

It is a super-3 number, since 3×240411011257³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (240411011297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120205505628 + 120205505629.

It is an arithmetic number, because the mean of its divisors is an integer number (120205505629).

Almost surely, 2^240411011257 is an apocalyptic number.

It is an amenable number.

240411011257 is a deficient number, since it is larger than the sum of its proper divisors (1).

240411011257 is an equidigital number, since it uses as much as digits as its factorization.

240411011257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 240411011257 its reverse (752110114042), we get a palindrome (992521125299).

The spelling of 240411011257 in words is "two hundred forty billion, four hundred eleven million, eleven thousand, two hundred fifty-seven".