2001511461149 has 2 divisors, whose sum is σ = 2001511461150. Its totient is φ = 2001511461148.

The previous prime is 2001511461127. The next prime is 2001511461161. The reversal of 2001511461149 is 9411641151002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1437145416100 + 564366045049 = 1198810^2 + 751243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001511461149 - 2³⁶ = 1932791984413 is a prime.

It is a super-2 number, since 2×2001511461149² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001511461179) 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, 1000755730574 + 1000755730575.

It is an arithmetic number, because the mean of its divisors is an integer number (1000755730575).

Almost surely, 2^{2001511461149} is an apocalyptic number.

It is an amenable number.

2001511461149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001511461149 is an equidigital number, since it uses as much as digits as its factorization.

2001511461149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 2001511461149 in words is "two trillion, one billion, five hundred eleven million, four hundred sixty-one thousand, one hundred forty-nine".