10195283511961 has 4 divisors (see below), whose sum is σ = 10195432371124. Its totient is φ = 10195134652800.

The previous prime is 10195283511947. The next prime is 10195283512111. The reversal of 10195283511961 is 16911538259101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4691361062025 + 5503922449936 = 2165955^2 + 2346044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10195283511961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10195283511899 and 10195283511908.

It is not an unprimeable number, because it can be changed into a prime (10195283511761) 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 in 3 ways as a sum of consecutive naturals, for example, 74326800 + ... + 74463841.

It is an arithmetic number, because the mean of its divisors is an integer number (2548858092781).

Almost surely, 2^{10195283511961} is an apocalyptic number.

It is an amenable number.

10195283511961 is a deficient number, since it is larger than the sum of its proper divisors (148859163).

10195283511961 is an equidigital number, since it uses as much as digits as its factorization.

10195283511961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148859162.

The product of its (nonzero) digits is 583200, while the sum is 52.

The spelling of 10195283511961 in words is "ten trillion, one hundred ninety-five billion, two hundred eighty-three million, five hundred eleven thousand, nine hundred sixty-one".