220514315261 has 2 divisors, whose sum is σ = 220514315262. Its totient is φ = 220514315260.

The previous prime is 220514315159. The next prime is 220514315269. The reversal of 220514315261 is 162513415022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131341008100 + 89173307161 = 362410^2 + 298619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220514315261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220514315269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110257157630 + 110257157631.

It is an arithmetic number, because the mean of its divisors is an integer number (110257157631).

Almost surely, 2^220514315261 is an apocalyptic number.

It is an amenable number.

220514315261 is a deficient number, since it is larger than the sum of its proper divisors (1).

220514315261 is an equidigital number, since it uses as much as digits as its factorization.

220514315261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 220514315261 in words is "two hundred twenty billion, five hundred fourteen million, three hundred fifteen thousand, two hundred sixty-one".