1040135510501 has 2 divisors, whose sum is σ = 1040135510502. Its totient is φ = 1040135510500.

The previous prime is 1040135510497. The next prime is 1040135510507. The reversal of 1040135510501 is 1050155310401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 857059350625 + 183076159876 = 925775^2 + 427874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040135510501 - 2² = 1040135510497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040135510507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520067755250 + 520067755251.

It is an arithmetic number, because the mean of its divisors is an integer number (520067755251).

Almost surely, 2^{1040135510501} is an apocalyptic number.

It is an amenable number.

1040135510501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040135510501 is an equidigital number, since it uses as much as digits as its factorization.

1040135510501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 1040135510501 in words is "one trillion, forty billion, one hundred thirty-five million, five hundred ten thousand, five hundred one".