261050552132 has 24 divisors (see below), whose sum is σ = 461665636992. Its totient is φ = 129147788000.

The previous prime is 261050552129. The next prime is 261050552137. The reversal of 261050552132 is 231255050162.

It is not an unprimeable number, because it can be changed into a prime (261050552137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403157 + ... + 827427.

It is an arithmetic number, because the mean of its divisors is an integer number (19236068208).

Almost surely, 2^261050552132 is an apocalyptic number.

It is an amenable number.

261050552132 is a deficient number, since it is larger than the sum of its proper divisors (200615084860).

261050552132 is a wasteful number, since it uses less digits than its factorization.

261050552132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425899 (or 425897 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 261050552132 in words is "two hundred sixty-one billion, fifty million, five hundred fifty-two thousand, one hundred thirty-two".