260806510451 has 4 divisors (see below), whose sum is σ = 260897800152. Its totient is φ = 260715220752.

The previous prime is 260806510427. The next prime is 260806510453. The reversal of 260806510451 is 154015608062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260806510451 - 2¹⁰ = 260806509427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260806510453) 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, 45640565 + ... + 45646278.

It is an arithmetic number, because the mean of its divisors is an integer number (65224450038).

Almost surely, 2^260806510451 is an apocalyptic number.

260806510451 is a deficient number, since it is larger than the sum of its proper divisors (91289701).

260806510451 is an equidigital number, since it uses as much as digits as its factorization.

260806510451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91289700.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 260806510451 in words is "two hundred sixty billion, eight hundred six million, five hundred ten thousand, four hundred fifty-one".