1111011000061 has 2 divisors, whose sum is σ = 1111011000062. Its totient is φ = 1111011000060.

The previous prime is 1111011000053. The next prime is 1111011000067. The reversal of 1111011000061 is 1600001101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 967457156836 + 143553843225 = 983594^2 + 378885^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111011000061 - 2³ = 1111011000053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111011000067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555505500030 + 555505500031.

It is an arithmetic number, because the mean of its divisors is an integer number (555505500031).

Almost surely, 2^{1111011000061} is an apocalyptic number.

It is an amenable number.

1111011000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111011000061 is an equidigital number, since it uses as much as digits as its factorization.

1111011000061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1111011000061 its reverse (1600001101111), we get a palindrome (2711012101172).

The spelling of 1111011000061 in words is "one trillion, one hundred eleven billion, eleven million, sixty-one", and thus it is an aban number.