240252111343537 has 2 divisors, whose sum is σ = 240252111343538. Its totient is φ = 240252111343536.

The previous prime is 240252111343523. The next prime is 240252111343583. The reversal of 240252111343537 is 735343111252042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204891855633936 + 35360255709601 = 14314044^2 + 5946449^2 .

It is a cyclic number.

It is not a de Polignac number, because 240252111343537 - 2³⁹ = 239702355529649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240252111343493 and 240252111343502.

It is not a weakly prime, because it can be changed into another prime (240252111347537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120126055671768 + 120126055671769.

It is an arithmetic number, because the mean of its divisors is an integer number (120126055671769).

Almost surely, 2^{240252111343537} is an apocalyptic number.

It is an amenable number.

240252111343537 is a deficient number, since it is larger than the sum of its proper divisors (1).

240252111343537 is an equidigital number, since it uses as much as digits as its factorization.

240252111343537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 43.

Adding to 240252111343537 its reverse (735343111252042), we get a palindrome (975595222595579).

The spelling of 240252111343537 in words is "two hundred forty trillion, two hundred fifty-two billion, one hundred eleven million, three hundred forty-three thousand, five hundred thirty-seven".