251252750011 has 2 divisors, whose sum is σ = 251252750012. Its totient is φ = 251252750010.

The previous prime is 251252749991. The next prime is 251252750083. The reversal of 251252750011 is 110057252152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251252750011 - 2³³ = 242662815419 is a prime.

It is not a weakly prime, because it can be changed into another prime (251252750311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125626375005 + 125626375006.

It is an arithmetic number, because the mean of its divisors is an integer number (125626375006).

Almost surely, 2^251252750011 is an apocalyptic number.

251252750011 is a deficient number, since it is larger than the sum of its proper divisors (1).

251252750011 is an equidigital number, since it uses as much as digits as its factorization.

251252750011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 31.

The spelling of 251252750011 in words is "two hundred fifty-one billion, two hundred fifty-two million, seven hundred fifty thousand, eleven".