255150240251 has 2 divisors, whose sum is σ = 255150240252. Its totient is φ = 255150240250.

The previous prime is 255150240199. The next prime is 255150240329. The reversal of 255150240251 is 152042051552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255150240251 is a prime.

It is not a weakly prime, because it can be changed into another prime (255150240451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127575120125 + 127575120126.

It is an arithmetic number, because the mean of its divisors is an integer number (127575120126).

Almost surely, 2^255150240251 is an apocalyptic number.

255150240251 is a deficient number, since it is larger than the sum of its proper divisors (1).

255150240251 is an equidigital number, since it uses as much as digits as its factorization.

255150240251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 255150240251 in words is "two hundred fifty-five billion, one hundred fifty million, two hundred forty thousand, two hundred fifty-one".