5387855936401 has 2 divisors, whose sum is σ = 5387855936402. Its totient is φ = 5387855936400.

The previous prime is 5387855936389. The next prime is 5387855936429. The reversal of 5387855936401 is 1046395587835.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4515965006400 + 871890930001 = 2125080^2 + 933751^2 .

It is a cyclic number.

It is not a de Polignac number, because 5387855936401 - 2²³ = 5387847547793 is a prime.

It is a super-2 number, since 2×5387855936401² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5387855936461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693927968200 + 2693927968201.

It is an arithmetic number, because the mean of its divisors is an integer number (2693927968201).

Almost surely, 2^{5387855936401} is an apocalyptic number.

It is an amenable number.

5387855936401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5387855936401 is an equidigital number, since it uses as much as digits as its factorization.

5387855936401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864000, while the sum is 64.

The spelling of 5387855936401 in words is "five trillion, three hundred eighty-seven billion, eight hundred fifty-five million, nine hundred thirty-six thousand, four hundred one".