10635260520403 has 4 divisors (see below), whose sum is σ = 10978333440448. Its totient is φ = 10292187600360.

The previous prime is 10635260520377. The next prime is 10635260520407. The reversal of 10635260520403 is 30402506253601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10635260520403 is a prime.

It is a super-2 number, since 2×10635260520403² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10635260520407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171536459976 + ... + 171536460037.

It is an arithmetic number, because the mean of its divisors is an integer number (2744583360112).

Almost surely, 2^{10635260520403} is an apocalyptic number.

10635260520403 is a deficient number, since it is larger than the sum of its proper divisors (343072920045).

10635260520403 is an equidigital number, since it uses as much as digits as its factorization.

10635260520403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343072920044.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 10635260520403 in words is "ten trillion, six hundred thirty-five billion, two hundred sixty million, five hundred twenty thousand, four hundred three".