1211025042659 has 2 divisors, whose sum is σ = 1211025042660. Its totient is φ = 1211025042658.

The previous prime is 1211025042613. The next prime is 1211025042673. The reversal of 1211025042659 is 9562405201121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211025042659 - 2¹² = 1211025038563 is a prime.

It is a super-3 number, since 3×1211025042659³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1211025042259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605512521329 + 605512521330.

It is an arithmetic number, because the mean of its divisors is an integer number (605512521330).

Almost surely, 2^{1211025042659} is an apocalyptic number.

1211025042659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211025042659 is an equidigital number, since it uses as much as digits as its factorization.

1211025042659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 1211025042659 in words is "one trillion, two hundred eleven billion, twenty-five million, forty-two thousand, six hundred fifty-nine".