1201151065061 has 2 divisors, whose sum is σ = 1201151065062. Its totient is φ = 1201151065060.

The previous prime is 1201151065031. The next prime is 1201151065097. The reversal of 1201151065061 is 1605601511021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 755367836161 + 445783228900 = 869119^2 + 667670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201151065061 - 2²² = 1201146870757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201151065021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600575532530 + 600575532531.

It is an arithmetic number, because the mean of its divisors is an integer number (600575532531).

Almost surely, 2^{1201151065061} is an apocalyptic number.

It is an amenable number.

1201151065061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201151065061 is an equidigital number, since it uses as much as digits as its factorization.

1201151065061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 29.

Adding to 1201151065061 its reverse (1605601511021), we get a palindrome (2806752576082).

The spelling of 1201151065061 in words is "one trillion, two hundred one billion, one hundred fifty-one million, sixty-five thousand, sixty-one".