261006322144102 has 16 divisors (see below), whose sum is σ = 412737519716352. Its totient is φ = 123606288453960.

The previous prime is 261006322144097. The next prime is 261006322144123. The reversal of 261006322144102 is 201441223600162.

261006322144102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44784884208 + ... + 44784890035.

It is an arithmetic number, because the mean of its divisors is an integer number (25796094982272).

Almost surely, 2^{261006322144102} is an apocalyptic number.

261006322144102 is a deficient number, since it is larger than the sum of its proper divisors (151731197572250).

261006322144102 is a wasteful number, since it uses less digits than its factorization.

261006322144102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89569774323.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 261006322144102 its reverse (201441223600162), we get a palindrome (462447545744264).

The spelling of 261006322144102 in words is "two hundred sixty-one trillion, six billion, three hundred twenty-two million, one hundred forty-four thousand, one hundred two".