1240502134411 has 2 divisors, whose sum is σ = 1240502134412. Its totient is φ = 1240502134410.

The previous prime is 1240502134367. The next prime is 1240502134427. The reversal of 1240502134411 is 1144312050421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1240502134411 - 2³¹ = 1238354650763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240502134411.

It is not a weakly prime, because it can be changed into another prime (1240502134511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620251067205 + 620251067206.

It is an arithmetic number, because the mean of its divisors is an integer number (620251067206).

Almost surely, 2^{1240502134411} is an apocalyptic number.

1240502134411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240502134411 is an equidigital number, since it uses as much as digits as its factorization.

1240502134411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1240502134411 its reverse (1144312050421), we get a palindrome (2384814184832).

The spelling of 1240502134411 in words is "one trillion, two hundred forty billion, five hundred two million, one hundred thirty-four thousand, four hundred eleven".