10440203212511 has 2 divisors, whose sum is σ = 10440203212512. Its totient is φ = 10440203212510.

The previous prime is 10440203212507. The next prime is 10440203212513. The reversal of 10440203212511 is 11521230204401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10440203212511 - 2² = 10440203212507 is a prime.

Together with 10440203212513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10440203212513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5220101606255 + 5220101606256.

It is an arithmetic number, because the mean of its divisors is an integer number (5220101606256).

Almost surely, 2^{10440203212511} is an apocalyptic number.

10440203212511 is a deficient number, since it is larger than the sum of its proper divisors (1).

10440203212511 is an equidigital number, since it uses as much as digits as its factorization.

10440203212511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 10440203212511 its reverse (11521230204401), we get a palindrome (21961433416912).

The spelling of 10440203212511 in words is "ten trillion, four hundred forty billion, two hundred three million, two hundred twelve thousand, five hundred eleven".