261411066302 has 16 divisors (see below), whose sum is σ = 410806804992. Its totient is φ = 124601324760.

The previous prime is 261411066263. The next prime is 261411066311. The reversal of 261411066302 is 203660114162.

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, 31460828 + ... + 31469135.

It is an arithmetic number, because the mean of its divisors is an integer number (25675425312).

Almost surely, 2^261411066302 is an apocalyptic number.

261411066302 is a deficient number, since it is larger than the sum of its proper divisors (149395738690).

261411066302 is a wasteful number, since it uses less digits than its factorization.

261411066302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62930063.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 261411066302 in words is "two hundred sixty-one billion, four hundred eleven million, sixty-six thousand, three hundred two".