1015011605401 has 2 divisors, whose sum is σ = 1015011605402. Its totient is φ = 1015011605400.

The previous prime is 1015011605371. The next prime is 1015011605467. The reversal of 1015011605401 is 1045061105101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737235173376 + 277776432025 = 858624^2 + 527045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015011605401 - 2¹⁵ = 1015011572633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1015011605701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507505802700 + 507505802701.

It is an arithmetic number, because the mean of its divisors is an integer number (507505802701).

Almost surely, 2^{1015011605401} is an apocalyptic number.

It is an amenable number.

1015011605401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015011605401 is an equidigital number, since it uses as much as digits as its factorization.

1015011605401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 25.

The spelling of 1015011605401 in words is "one trillion, fifteen billion, eleven million, six hundred five thousand, four hundred one".