1015406315401 has 2 divisors, whose sum is σ = 1015406315402. Its totient is φ = 1015406315400.

The previous prime is 1015406315389. The next prime is 1015406315453. The reversal of 1015406315401 is 1045136045101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 995036175225 + 20370140176 = 997515^2 + 142724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015406315401 - 2⁹ = 1015406314889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1015406355401) 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, 507703157700 + 507703157701.

It is an arithmetic number, because the mean of its divisors is an integer number (507703157701).

Almost surely, 2^{1015406315401} is an apocalyptic number.

It is an amenable number.

1015406315401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015406315401 is an equidigital number, since it uses as much as digits as its factorization.

1015406315401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 1015406315401 in words is "one trillion, fifteen billion, four hundred six million, three hundred fifteen thousand, four hundred one".