10004550499961 has 2 divisors, whose sum is σ = 10004550499962. Its totient is φ = 10004550499960.

The previous prime is 10004550499939. The next prime is 10004550500099. The reversal of 10004550499961 is 16999405540001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6972076539961 + 3032473960000 = 2640469^2 + 1741400^2 .

It is a cyclic number.

It is not a de Polignac number, because 10004550499961 - 2⁶ = 10004550499897 is a prime.

It is a super-2 number, since 2×10004550499961² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10004550499901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002275249980 + 5002275249981.

It is an arithmetic number, because the mean of its divisors is an integer number (5002275249981).

Almost surely, 2^{10004550499961} is an apocalyptic number.

It is an amenable number.

10004550499961 is a deficient number, since it is larger than the sum of its proper divisors (1).

10004550499961 is an equidigital number, since it uses as much as digits as its factorization.

10004550499961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 10004550499961 in words is "ten trillion, four billion, five hundred fifty million, four hundred ninety-nine thousand, nine hundred sixty-one".