2215135140149 has 2 divisors, whose sum is σ = 2215135140150. Its totient is φ = 2215135140148.

The previous prime is 2215135140089. The next prime is 2215135140193. The reversal of 2215135140149 is 9410415315122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2182858502500 + 32276637649 = 1477450^2 + 179657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215135140149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215135140349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107567570074 + 1107567570075.

It is an arithmetic number, because the mean of its divisors is an integer number (1107567570075).

Almost surely, 2^{2215135140149} is an apocalyptic number.

It is an amenable number.

2215135140149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215135140149 is an equidigital number, since it uses as much as digits as its factorization.

2215135140149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 2215135140149 in words is "two trillion, two hundred fifteen billion, one hundred thirty-five million, one hundred forty thousand, one hundred forty-nine".