11420797824 has 96 divisors (see below), whose sum is σ = 34081833240. Its totient is φ = 3806922240.

The previous prime is 11420797783. The next prime is 11420797849. The reversal of 11420797824 is 42879702411.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 11420797824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152487 + ... + 214694.

Almost surely, 2^11420797824 is an apocalyptic number.

It is an amenable number.

11420797824 is an abundant number, since it is smaller than the sum of its proper divisors (22661035416).

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

11420797824 is an frugal number, since it uses more digits than its factorization.

11420797824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367210 (or 367186 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 11420797824 in words is "eleven billion, four hundred twenty million, seven hundred ninety-seven thousand, eight hundred twenty-four".