10140240251243 has 2 divisors, whose sum is σ = 10140240251244. Its totient is φ = 10140240251242.

The previous prime is 10140240251209. The next prime is 10140240251269. The reversal of 10140240251243 is 34215204204101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10140240251243 - 2²² = 10140236056939 is a prime.

It is not a weakly prime, because it can be changed into another prime (10140240281243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5070120125621 + 5070120125622.

It is an arithmetic number, because the mean of its divisors is an integer number (5070120125622).

Almost surely, 2^{10140240251243} is an apocalyptic number.

10140240251243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10140240251243 is an equidigital number, since it uses as much as digits as its factorization.

10140240251243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 10140240251243 its reverse (34215204204101), we get a palindrome (44355444455344).

The spelling of 10140240251243 in words is "ten trillion, one hundred forty billion, two hundred forty million, two hundred fifty-one thousand, two hundred forty-three".