1248804888091 has 2 divisors, whose sum is σ = 1248804888092. Its totient is φ = 1248804888090.

The previous prime is 1248804888073. The next prime is 1248804888137. The reversal of 1248804888091 is 1908884088421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1248804888091 - 2⁵ = 1248804888059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1248804888011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624402444045 + 624402444046.

It is an arithmetic number, because the mean of its divisors is an integer number (624402444046).

Almost surely, 2^{1248804888091} is an apocalyptic number.

1248804888091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248804888091 is an equidigital number, since it uses as much as digits as its factorization.

1248804888091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9437184, while the sum is 61.

The spelling of 1248804888091 in words is "one trillion, two hundred forty-eight billion, eight hundred four million, eight hundred eighty-eight thousand, ninety-one".