248662311091 has 2 divisors, whose sum is σ = 248662311092. Its totient is φ = 248662311090.

The previous prime is 248662311077. The next prime is 248662311211. The reversal of 248662311091 is 190113266842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248662311091 - 2⁹ = 248662310579 is a prime.

It is a super-2 number, since 2×248662311091² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (248662311011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124331155545 + 124331155546.

It is an arithmetic number, because the mean of its divisors is an integer number (124331155546).

Almost surely, 2^248662311091 is an apocalyptic number.

248662311091 is a deficient number, since it is larger than the sum of its proper divisors (1).

248662311091 is an equidigital number, since it uses as much as digits as its factorization.

248662311091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 248662311091 in words is "two hundred forty-eight billion, six hundred sixty-two million, three hundred eleven thousand, ninety-one".