11266685421 has 8 divisors (see below), whose sum is σ = 15268513824. Its totient is φ = 7387990320.

The previous prime is 11266685399. The next prime is 11266685429. The reversal of 11266685421 is 12458666211.

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

It is not a de Polignac number, because 11266685421 - 2⁷ = 11266685293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11266685429) 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, 30783111 + ... + 30783476.

It is an arithmetic number, because the mean of its divisors is an integer number (1908564228).

Almost surely, 2^11266685421 is an apocalyptic number.

It is an amenable number.

11266685421 is a deficient number, since it is larger than the sum of its proper divisors (4001828403).

11266685421 is an equidigital number, since it uses as much as digits as its factorization.

11266685421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61566651.

The product of its digits is 138240, while the sum is 42.

The spelling of 11266685421 in words is "eleven billion, two hundred sixty-six million, six hundred eighty-five thousand, four hundred twenty-one".