100605661511 has 2 divisors, whose sum is σ = 100605661512. Its totient is φ = 100605661510.

The previous prime is 100605661493. The next prime is 100605661529. The reversal of 100605661511 is 115166506001.

It is a balanced prime because it is at equal distance from previous prime (100605661493) and next prime (100605661529).

It is a cyclic number.

It is not a de Polignac number, because 100605661511 - 2¹⁰ = 100605660487 is a prime.

It is a super-3 number, since 3×100605661511³ (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100605661591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50302830755 + 50302830756.

It is an arithmetic number, because the mean of its divisors is an integer number (50302830756).

Almost surely, 2^100605661511 is an apocalyptic number.

100605661511 is a deficient number, since it is larger than the sum of its proper divisors (1).

100605661511 is an equidigital number, since it uses as much as digits as its factorization.

100605661511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 100605661511 in words is "one hundred billion, six hundred five million, six hundred sixty-one thousand, five hundred eleven".