56442020153011 has 2 divisors, whose sum is σ = 56442020153012. Its totient is φ = 56442020153010.

The previous prime is 56442020153009. The next prime is 56442020153033. The reversal of 56442020153011 is 11035102024465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56442020153011 - 2¹ = 56442020153009 is a prime.

It is a super-2 number, since 2×56442020153011² (a number of 28 digits) contains 22 as substring.

Together with 56442020153009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56442020153041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28221010076505 + 28221010076506.

It is an arithmetic number, because the mean of its divisors is an integer number (28221010076506).

Almost surely, 2^{56442020153011} is an apocalyptic number.

56442020153011 is a deficient number, since it is larger than the sum of its proper divisors (1).

56442020153011 is an equidigital number, since it uses as much as digits as its factorization.

56442020153011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 56442020153011 its reverse (11035102024465), we get a palindrome (67477122177476).

The spelling of 56442020153011 in words is "fifty-six trillion, four hundred forty-two billion, twenty million, one hundred fifty-three thousand, eleven".