261410861202 has 8 divisors (see below), whose sum is σ = 522821722416. Its totient is φ = 87136953732.

The previous prime is 261410861171. The next prime is 261410861213. The reversal of 261410861202 is 202168014162.

It is a happy number.

261410861202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

261410861202 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21784238428 + ... + 21784238439.

It is an arithmetic number, because the mean of its divisors is an integer number (65352715302).

Almost surely, 2^261410861202 is an apocalyptic number.

261410861202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261410861202 is a wasteful number, since it uses less digits than its factorization.

261410861202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43568476872.

The product of its (nonzero) digits is 9216, while the sum is 33.

Adding to 261410861202 its reverse (202168014162), we get a palindrome (463578875364).

The spelling of 261410861202 in words is "two hundred sixty-one billion, four hundred ten million, eight hundred sixty-one thousand, two hundred two".