2011020188369 has 2 divisors, whose sum is σ = 2011020188370. Its totient is φ = 2011020188368.

The previous prime is 2011020188363. The next prime is 2011020188461. The reversal of 2011020188369 is 9638810201102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1111959705025 + 899060483344 = 1054495^2 + 948188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011020188369 is a prime.

It is a super-2 number, since 2×2011020188369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2011020188363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005510094184 + 1005510094185.

It is an arithmetic number, because the mean of its divisors is an integer number (1005510094185).

Almost surely, 2^{2011020188369} is an apocalyptic number.

It is an amenable number.

2011020188369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011020188369 is an equidigital number, since it uses as much as digits as its factorization.

2011020188369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 2011020188369 in words is "two trillion, eleven billion, twenty million, one hundred eighty-eight thousand, three hundred sixty-nine".