11420198993 has 8 divisors (see below), whose sum is σ = 13619119488. Its totient is φ = 9363144384.

The previous prime is 11420198969. The next prime is 11420199001. The reversal of 11420198993 is 39989102411.

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

It is a cyclic number.

It is not a de Polignac number, because 11420198993 - 2²⁰ = 11419150417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11420198893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35466296 + ... + 35466617.

It is an arithmetic number, because the mean of its divisors is an integer number (1702389936).

Almost surely, 2^11420198993 is an apocalyptic number.

It is an amenable number.

11420198993 is a deficient number, since it is larger than the sum of its proper divisors (2198920495).

11420198993 is an equidigital number, since it uses as much as digits as its factorization.

11420198993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70932943.

The product of its (nonzero) digits is 139968, while the sum is 47.

The spelling of 11420198993 in words is "eleven billion, four hundred twenty million, one hundred ninety-eight thousand, nine hundred ninety-three".