260078490101 has 2 divisors, whose sum is σ = 260078490102. Its totient is φ = 260078490100.

The previous prime is 260078490079. The next prime is 260078490109. The reversal of 260078490101 is 101094870062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177451562500 + 82626927601 = 421250^2 + 287449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260078490101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260078490109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130039245050 + 130039245051.

It is an arithmetic number, because the mean of its divisors is an integer number (130039245051).

Almost surely, 2^260078490101 is an apocalyptic number.

It is an amenable number.

260078490101 is a deficient number, since it is larger than the sum of its proper divisors (1).

260078490101 is an equidigital number, since it uses as much as digits as its factorization.

260078490101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 260078490101 in words is "two hundred sixty billion, seventy-eight million, four hundred ninety thousand, one hundred one".