2011521355141 has 2 divisors, whose sum is σ = 2011521355142. Its totient is φ = 2011521355140.

The previous prime is 2011521355099. The next prime is 2011521355159. The reversal of 2011521355141 is 1415531251102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1512973800900 + 498547554241 = 1230030^2 + 706079^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011521355141 - 2²⁷ = 2011387137413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011521355841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005760677570 + 1005760677571.

It is an arithmetic number, because the mean of its divisors is an integer number (1005760677571).

Almost surely, 2^{2011521355141} is an apocalyptic number.

It is an amenable number.

2011521355141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011521355141 is an equidigital number, since it uses as much as digits as its factorization.

2011521355141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 2011521355141 in words is "two trillion, eleven billion, five hundred twenty-one million, three hundred fifty-five thousand, one hundred forty-one".