261104788362 has 16 divisors (see below), whose sum is σ = 569683174752. Its totient is φ = 79122663120.

The previous prime is 261104788361. The next prime is 261104788421. The reversal of 261104788362 is 263887401162.

It is not an unprimeable number, because it can be changed into a prime (261104788361) 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, 1978066513 + ... + 1978066644.

It is an arithmetic number, because the mean of its divisors is an integer number (35605198422).

Almost surely, 2^261104788362 is an apocalyptic number.

261104788362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

261104788362 is an abundant number, since it is smaller than the sum of its proper divisors (308578386390).

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

261104788362 is a wasteful number, since it uses less digits than its factorization.

261104788362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956133173.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 261104788362 in words is "two hundred sixty-one billion, one hundred four million, seven hundred eighty-eight thousand, three hundred sixty-two".