1061188135061 has 2 divisors, whose sum is σ = 1061188135062. Its totient is φ = 1061188135060.

The previous prime is 1061188135057. The next prime is 1061188135103. The reversal of 1061188135061 is 1605318811601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1057750540900 + 3437594161 = 1028470^2 + 58631^2 .

It is an emirp because it is prime and its reverse (1605318811601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1061188135061 - 2² = 1061188135057 is a prime.

It is a super-2 number, since 2×1061188135061² (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 (1061188135361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530594067530 + 530594067531.

It is an arithmetic number, because the mean of its divisors is an integer number (530594067531).

Almost surely, 2^{1061188135061} is an apocalyptic number.

It is an amenable number.

1061188135061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061188135061 is an equidigital number, since it uses as much as digits as its factorization.

1061188135061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 41.

The spelling of 1061188135061 in words is "one trillion, sixty-one billion, one hundred eighty-eight million, one hundred thirty-five thousand, sixty-one".