248851129091 has 2 divisors, whose sum is σ = 248851129092. Its totient is φ = 248851129090.

The previous prime is 248851129081. The next prime is 248851129117. The reversal of 248851129091 is 190921158842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248851129091 - 2³⁰ = 247777387267 is a prime.

It is not a weakly prime, because it can be changed into another prime (248851129081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124425564545 + 124425564546.

It is an arithmetic number, because the mean of its divisors is an integer number (124425564546).

Almost surely, 2^248851129091 is an apocalyptic number.

248851129091 is a deficient number, since it is larger than the sum of its proper divisors (1).

248851129091 is an equidigital number, since it uses as much as digits as its factorization.

248851129091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 50.

The spelling of 248851129091 in words is "two hundred forty-eight billion, eight hundred fifty-one million, one hundred twenty-nine thousand, ninety-one".