11811451434 has 8 divisors (see below), whose sum is σ = 23622902880. Its totient is φ = 3937150476.

The previous prime is 11811451427. The next prime is 11811451439. The reversal of 11811451434 is 43415411811.

It is a sphenic number, since it is the product of 3 distinct primes.

11811451434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11811451395 and 11811451404.

It is not an unprimeable number, because it can be changed into a prime (11811451439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984287614 + ... + 984287625.

It is an arithmetic number, because the mean of its divisors is an integer number (2952862860).

Almost surely, 2^11811451434 is an apocalyptic number.

11811451434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11811451434 is a wasteful number, since it uses less digits than its factorization.

11811451434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968575244.

The product of its digits is 7680, while the sum is 33.

The spelling of 11811451434 in words is "eleven billion, eight hundred eleven million, four hundred fifty-one thousand, four hundred thirty-four".