401155420013539 has 2 divisors, whose sum is σ = 401155420013540. Its totient is φ = 401155420013538.

The previous prime is 401155420013443. The next prime is 401155420013573. The reversal of 401155420013539 is 935310024551104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401155420013539 - 2²⁹ = 401154883142627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401155420013495 and 401155420013504.

It is not a weakly prime, because it can be changed into another prime (401155420013839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200577710006769 + 200577710006770.

It is an arithmetic number, because the mean of its divisors is an integer number (200577710006770).

Almost surely, 2^{401155420013539} is an apocalyptic number.

401155420013539 is a deficient number, since it is larger than the sum of its proper divisors (1).

401155420013539 is an equidigital number, since it uses as much as digits as its factorization.

401155420013539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 401155420013539 in words is "four hundred one trillion, one hundred fifty-five billion, four hundred twenty million, thirteen thousand, five hundred thirty-nine".