11651440611436 has 24 divisors (see below), whose sum is σ = 20421976211280. Its totient is φ = 5816590905792.

The previous prime is 11651440611431. The next prime is 11651440611439. The reversal of 11651440611436 is 63411604415611.

It is a junction number, because it is equal to n+sod(n) for n = 11651440611392 and 11651440611401.

It is not an unprimeable number, because it can be changed into a prime (11651440611431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 94458810 + ... + 94582078.

It is an arithmetic number, because the mean of its divisors is an integer number (850915675470).

Almost surely, 2^{11651440611436} is an apocalyptic number.

It is an amenable number.

11651440611436 is a deficient number, since it is larger than the sum of its proper divisors (8770535599844).

11651440611436 is a wasteful number, since it uses less digits than its factorization.

11651440611436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160113 (or 160111 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 11651440611436 in words is "eleven trillion, six hundred fifty-one billion, four hundred forty million, six hundred eleven thousand, four hundred thirty-six".