400316052261061 has 2 divisors, whose sum is σ = 400316052261062. Its totient is φ = 400316052261060.

The previous prime is 400316052261023. The next prime is 400316052261133. The reversal of 400316052261061 is 160162250613004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388670145248961 + 11645907012100 = 19714719^2 + 3412610^2 .

It is a cyclic number.

It is not a de Polignac number, because 400316052261061 - 2¹⁷ = 400316052129989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400316052261061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400316052261761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200158026130530 + 200158026130531.

It is an arithmetic number, because the mean of its divisors is an integer number (200158026130531).

Almost surely, 2^{400316052261061} is an apocalyptic number.

It is an amenable number.

400316052261061 is a deficient number, since it is larger than the sum of its proper divisors (1).

400316052261061 is an equidigital number, since it uses as much as digits as its factorization.

400316052261061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 400316052261061 in words is "four hundred trillion, three hundred sixteen billion, fifty-two million, two hundred sixty-one thousand, sixty-one".