100555606499 has 2 divisors, whose sum is σ = 100555606500. Its totient is φ = 100555606498.

The previous prime is 100555606469. The next prime is 100555606523. The reversal of 100555606499 is 994606555001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100555606499 - 2⁸ = 100555606243 is a prime.

It is a super-2 number, since 2×100555606499² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100555606439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50277803249 + 50277803250.

It is an arithmetic number, because the mean of its divisors is an integer number (50277803250).

Almost surely, 2^100555606499 is an apocalyptic number.

100555606499 is a deficient number, since it is larger than the sum of its proper divisors (1).

100555606499 is an equidigital number, since it uses as much as digits as its factorization.

100555606499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 50.

The spelling of 100555606499 in words is "one hundred billion, five hundred fifty-five million, six hundred six thousand, four hundred ninety-nine".