11630643218535 has 96 divisors (see below), whose sum is σ = 21580861236480. Its totient is φ = 5329960289280.

The previous prime is 11630643218527. The next prime is 11630643218549. The reversal of 11630643218535 is 53581234603611.

It is a happy number.

It is not a de Polignac number, because 11630643218535 - 2³ = 11630643218527 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 95 ways as a sum of consecutive naturals, for example, 14542552 + ... + 15321458.

It is an arithmetic number, because the mean of its divisors is an integer number (224800637880).

Almost surely, 2^{11630643218535} is an apocalyptic number.

11630643218535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11630643218535 is a deficient number, since it is larger than the sum of its proper divisors (9950218017945).

11630643218535 is a wasteful number, since it uses less digits than its factorization.

11630643218535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779389 (or 779378 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 11630643218535 in words is "eleven trillion, six hundred thirty billion, six hundred forty-three million, two hundred eighteen thousand, five hundred thirty-five".