11403400635 has 24 divisors (see below), whose sum is σ = 21562794864. Its totient is φ = 5528921280.

The previous prime is 11403400571. The next prime is 11403400649. The reversal of 11403400635 is 53600430411.

It is not a de Polignac number, because 11403400635 - 2⁶ = 11403400571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11403400599 and 11403400608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11518092 + ... + 11519081.

It is an arithmetic number, because the mean of its divisors is an integer number (898449786).

Almost surely, 2^11403400635 is an apocalyptic number.

11403400635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11403400635 is a deficient number, since it is larger than the sum of its proper divisors (10159394229).

11403400635 is a wasteful number, since it uses less digits than its factorization.

11403400635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23037195 (or 23037192 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 11403400635 in words is "eleven billion, four hundred three million, four hundred thousand, six hundred thirty-five".