1011671671201 has 2 divisors, whose sum is σ = 1011671671202. Its totient is φ = 1011671671200.

The previous prime is 1011671671123. The next prime is 1011671671223. The reversal of 1011671671201 is 1021761761101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 948870810000 + 62800861201 = 974100^2 + 250601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011671671201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011671674201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505835835600 + 505835835601.

It is an arithmetic number, because the mean of its divisors is an integer number (505835835601).

Almost surely, 2^{1011671671201} is an apocalyptic number.

It is an amenable number.

1011671671201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011671671201 is an equidigital number, since it uses as much as digits as its factorization.

1011671671201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 34.

The spelling of 1011671671201 in words is "one trillion, eleven billion, six hundred seventy-one million, six hundred seventy-one thousand, two hundred one".