11403400636 has 12 divisors (see below), whose sum is σ = 20008058112. Its totient is φ = 5686812608.

The previous prime is 11403400571. The next prime is 11403400649. The reversal of 11403400636 is 63600430411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720205 + ... + 3723268.

It is an arithmetic number, because the mean of its divisors is an integer number (1667338176).

Almost surely, 2^11403400636 is an apocalyptic number.

It is an amenable number.

11403400636 is a deficient number, since it is larger than the sum of its proper divisors (8604657476).

11403400636 is a wasteful number, since it uses less digits than its factorization.

11403400636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7443860 (or 7443858 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 11403400636 in words is "eleven billion, four hundred three million, four hundred thousand, six hundred thirty-six".