11761129406 has 16 divisors (see below), whose sum is σ = 19357216704. Its totient is φ = 5325793824.

The previous prime is 11761129361. The next prime is 11761129421. The reversal of 11761129406 is 60492116711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11761129406.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4266086 + ... + 4268841.

It is an arithmetic number, because the mean of its divisors is an integer number (1209826044).

Almost surely, 2^11761129406 is an apocalyptic number.

11761129406 is a deficient number, since it is larger than the sum of its proper divisors (7596087298).

11761129406 is a wasteful number, since it uses less digits than its factorization.

11761129406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534995.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 11761129406 in words is "eleven billion, seven hundred sixty-one million, one hundred twenty-nine thousand, four hundred six".