11467721420 has 24 divisors (see below), whose sum is σ = 24109402464. Its totient is φ = 4581910016.

The previous prime is 11467721393. The next prime is 11467721479. The reversal of 11467721420 is 2412776411.

11467721420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305477 + ... + 340956.

It is an arithmetic number, because the mean of its divisors is an integer number (1004558436).

Almost surely, 2^11467721420 is an apocalyptic number.

11467721420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11467721420 is an abundant number, since it is smaller than the sum of its proper divisors (12641681044).

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

11467721420 is a wasteful number, since it uses less digits than its factorization.

11467721420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647329 (or 647327 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 11467721420 in words is "eleven billion, four hundred sixty-seven million, seven hundred twenty-one thousand, four hundred twenty".