1156628747201 has 2 divisors, whose sum is σ = 1156628747202. Its totient is φ = 1156628747200.

The previous prime is 1156628747173. The next prime is 1156628747231. The reversal of 1156628747201 is 1027478266511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 829073986225 + 327554760976 = 910535^2 + 572324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156628747201 - 2¹⁸ = 1156628485057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1156628747201.

It is not a weakly prime, because it can be changed into another prime (1156628747231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578314373600 + 578314373601.

It is an arithmetic number, because the mean of its divisors is an integer number (578314373601).

Almost surely, 2^{1156628747201} is an apocalyptic number.

It is an amenable number.

1156628747201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156628747201 is an equidigital number, since it uses as much as digits as its factorization.

1156628747201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 1156628747201 in words is "one trillion, one hundred fifty-six billion, six hundred twenty-eight million, seven hundred forty-seven thousand, two hundred one".