1320402424011 has 64 divisors (see below), whose sum is σ = 2036277411840. Its totient is φ = 753538464000.

The previous prime is 1320402423983. The next prime is 1320402424021. The reversal of 1320402424011 is 1104242040231.

It is not a de Polignac number, because 1320402424011 - 2⁹ = 1320402423499 is a prime.

It is a super-2 number, since 2×1320402424011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320402424021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15854866 + ... + 15937928.

It is an arithmetic number, because the mean of its divisors is an integer number (31816834560).

Almost surely, 2^{1320402424011} is an apocalyptic number.

1320402424011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320402424011 is a deficient number, since it is larger than the sum of its proper divisors (715874987829).

1320402424011 is a wasteful number, since it uses less digits than its factorization.

1320402424011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83528.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1320402424011 its reverse (1104242040231), we get a palindrome (2424644464242).

The spelling of 1320402424011 in words is "one trillion, three hundred twenty billion, four hundred two million, four hundred twenty-four thousand, eleven".