10540661303 has 2 divisors, whose sum is σ = 10540661304. Its totient is φ = 10540661302.

The previous prime is 10540661297. The next prime is 10540661387. The reversal of 10540661303 is 30316604501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10540661303 - 2²⁴ = 10523884087 is a prime.

It is a super-2 number, since 2×10540661303² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10540661393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5270330651 + 5270330652.

It is an arithmetic number, because the mean of its divisors is an integer number (5270330652).

Almost surely, 2^10540661303 is an apocalyptic number.

10540661303 is a deficient number, since it is larger than the sum of its proper divisors (1).

10540661303 is an equidigital number, since it uses as much as digits as its factorization.

10540661303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 10540661303 in words is "ten billion, five hundred forty million, six hundred sixty-one thousand, three hundred three".