1613052258121 has 2 divisors, whose sum is σ = 1613052258122. Its totient is φ = 1613052258120.

The previous prime is 1613052258047. The next prime is 1613052258161. The reversal of 1613052258121 is 1218522503161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887761568521 + 725290689600 = 942211^2 + 851640^2 .

It is an emirp because it is prime and its reverse (1218522503161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1613052258121 - 2¹⁹ = 1613051733833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1613052258161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806526129060 + 806526129061.

It is an arithmetic number, because the mean of its divisors is an integer number (806526129061).

Almost surely, 2^{1613052258121} is an apocalyptic number.

It is an amenable number.

1613052258121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613052258121 is an equidigital number, since it uses as much as digits as its factorization.

1613052258121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 1613052258121 in words is "one trillion, six hundred thirteen billion, fifty-two million, two hundred fifty-eight thousand, one hundred twenty-one".