261675214754020 has 48 divisors (see below), whose sum is σ = 583830814699440. Its totient is φ = 98329400354304.

The previous prime is 261675214754011. The next prime is 261675214754033. The reversal of 261675214754020 is 20457412576162.

261675214754020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4717905461476 + 256957309292544 = 2172074^2 + 16029888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6096791559 + ... + 6096834478.

It is an arithmetic number, because the mean of its divisors is an integer number (12163141972905).

Almost surely, 2^{261675214754020} is an apocalyptic number.

261675214754020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

261675214754020 is an abundant number, since it is smaller than the sum of its proper divisors (322155599945420).

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

261675214754020 is a wasteful number, since it uses less digits than its factorization.

261675214754020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12193626112 (or 12193626110 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 261675214754020 in words is "two hundred sixty-one trillion, six hundred seventy-five billion, two hundred fourteen million, seven hundred fifty-four thousand, twenty".