261441373300132 has 24 divisors (see below), whose sum is σ = 457624041751800. Its totient is φ = 130691648046336.

The previous prime is 261441373300117. The next prime is 261441373300171. The reversal of 261441373300132 is 231003373144162.

It can be written as a sum of positive squares in 4 ways, for example, as 90752792333476 + 170688580966656 = 9526426^2 + 13064784^2 .

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, 1872866994 + ... + 1873006582.

It is an arithmetic number, because the mean of its divisors is an integer number (19067668406325).

Almost surely, 2^{261441373300132} is an apocalyptic number.

It is an amenable number.

261441373300132 is a deficient number, since it is larger than the sum of its proper divisors (196182668451668).

261441373300132 is a wasteful number, since it uses less digits than its factorization.

261441373300132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240255 (or 240253 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 261441373300132 in words is "two hundred sixty-one trillion, four hundred forty-one billion, three hundred seventy-three million, three hundred thousand, one hundred thirty-two".