261105270060 has 24 divisors (see below), whose sum is σ = 731094756336. Its totient is φ = 69628072000.

The previous prime is 261105270053. The next prime is 261105270073. The reversal of 261105270060 is 60072501162.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2175877191 + ... + 2175877310.

It is an arithmetic number, because the mean of its divisors is an integer number (30462281514).

Almost surely, 2^261105270060 is an apocalyptic number.

261105270060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

261105270060 is an abundant number, since it is smaller than the sum of its proper divisors (469989486276).

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

261105270060 is a wasteful number, since it uses less digits than its factorization.

261105270060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351754513 (or 4351754511 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 261105270060 in words is "two hundred sixty-one billion, one hundred five million, two hundred seventy thousand, sixty".