260061154434221 has 4 divisors (see below), whose sum is σ = 297212747924832. Its totient is φ = 222909560943612.

The previous prime is 260061154434199. The next prime is 260061154434283. The reversal of 260061154434221 is 122434451160062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260061154434221 - 2⁶ = 260061154434157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260061154437221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18575796745295 + ... + 18575796745308.

It is an arithmetic number, because the mean of its divisors is an integer number (74303186981208).

Almost surely, 2^{260061154434221} is an apocalyptic number.

It is an amenable number.

260061154434221 is a deficient number, since it is larger than the sum of its proper divisors (37151593490611).

260061154434221 is an equidigital number, since it uses as much as digits as its factorization.

260061154434221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37151593490610.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 260061154434221 in words is "two hundred sixty trillion, sixty-one billion, one hundred fifty-four million, four hundred thirty-four thousand, two hundred twenty-one".