10204111512949 has 2 divisors, whose sum is σ = 10204111512950. Its totient is φ = 10204111512948.

The previous prime is 10204111512919. The next prime is 10204111512997. The reversal of 10204111512949 is 94921511140201.

10204111512949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6762782286225 + 3441329226724 = 2600535^2 + 1855082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10204111512949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10204111512919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102055756474 + 5102055756475.

It is an arithmetic number, because the mean of its divisors is an integer number (5102055756475).

Almost surely, 2^{10204111512949} is an apocalyptic number.

It is an amenable number.

10204111512949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10204111512949 is an equidigital number, since it uses as much as digits as its factorization.

10204111512949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 10204111512949 in words is "ten trillion, two hundred four billion, one hundred eleven million, five hundred twelve thousand, nine hundred forty-nine".