11420897941 has 4 divisors (see below), whose sum is σ = 11480073772. Its totient is φ = 11361722112.

The previous prime is 11420897933. The next prime is 11420897981. The reversal of 11420897941 is 14979802411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3651180625 + 7769717316 = 60425^2 + 88146^2 .

It is a cyclic number.

It is not a de Polignac number, because 11420897941 - 2³ = 11420897933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11420897891 and 11420897900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420897981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29587626 + ... + 29588011.

It is an arithmetic number, because the mean of its divisors is an integer number (2870018443).

Almost surely, 2^11420897941 is an apocalyptic number.

It is an amenable number.

11420897941 is a deficient number, since it is larger than the sum of its proper divisors (59175831).

11420897941 is an equidigital number, since it uses as much as digits as its factorization.

11420897941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59175830.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 11420897941 in words is "eleven billion, four hundred twenty million, eight hundred ninety-seven thousand, nine hundred forty-one".