104556642503 has 2 divisors, whose sum is σ = 104556642504. Its totient is φ = 104556642502.

The previous prime is 104556642493. The next prime is 104556642523. The reversal of 104556642503 is 305246655401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104556642503 - 2⁸ = 104556642247 is a prime.

It is a super-2 number, since 2×104556642503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104556642523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52278321251 + 52278321252.

It is an arithmetic number, because the mean of its divisors is an integer number (52278321252).

Almost surely, 2^104556642503 is an apocalyptic number.

104556642503 is a deficient number, since it is larger than the sum of its proper divisors (1).

104556642503 is an equidigital number, since it uses as much as digits as its factorization.

104556642503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 104556642503 in words is "one hundred four billion, five hundred fifty-six million, six hundred forty-two thousand, five hundred three".