278603083051 has 2 divisors, whose sum is σ = 278603083052. Its totient is φ = 278603083050.

The previous prime is 278603083019. The next prime is 278603083061. The reversal of 278603083051 is 150380306872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 278603083051 - 2⁵ = 278603083019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 278603082989 and 278603083007.

It is not a weakly prime, because it can be changed into another prime (278603083061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139301541525 + 139301541526.

It is an arithmetic number, because the mean of its divisors is an integer number (139301541526).

Almost surely, 2^278603083051 is an apocalyptic number.

278603083051 is a deficient number, since it is larger than the sum of its proper divisors (1).

278603083051 is an equidigital number, since it uses as much as digits as its factorization.

278603083051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 278603083051 in words is "two hundred seventy-eight billion, six hundred three million, eighty-three thousand, fifty-one".