1167102709561 has 2 divisors, whose sum is σ = 1167102709562. Its totient is φ = 1167102709560.

The previous prime is 1167102709547. The next prime is 1167102709603. The reversal of 1167102709561 is 1659072017611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 810999308025 + 356103401536 = 900555^2 + 596744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167102709561 - 2⁷ = 1167102709433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1167102769561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583551354780 + 583551354781.

It is an arithmetic number, because the mean of its divisors is an integer number (583551354781).

Almost surely, 2^{1167102709561} is an apocalyptic number.

It is an amenable number.

1167102709561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167102709561 is an equidigital number, since it uses as much as digits as its factorization.

1167102709561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 46.

The spelling of 1167102709561 in words is "one trillion, one hundred sixty-seven billion, one hundred two million, seven hundred nine thousand, five hundred sixty-one".