260078011 has 2 divisors, whose sum is σ = 260078012. Its totient is φ = 260078010.

The previous prime is 260077973. The next prime is 260078017. The reversal of 260078011 is 110870062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260078011 - 2²¹ = 257980859 is a prime.

It is a super-2 number, since 2×260078011² = 135281143611432242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260078017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130039005 + 130039006.

It is an arithmetic number, because the mean of its divisors is an integer number (130039006).

Almost surely, 2^260078011 is an apocalyptic number.

260078011 is a deficient number, since it is larger than the sum of its proper divisors (1).

260078011 is an equidigital number, since it uses as much as digits as its factorization.

260078011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 260078011 is about 16126.9343335924. The cubic root of 260078011 is about 638.3142575467.

The spelling of 260078011 in words is "two hundred sixty million, seventy-eight thousand, eleven".