248135547761 has 8 divisors (see below), whose sum is σ = 248506591200. Its totient is φ = 247764666240.

The previous prime is 248135547743. The next prime is 248135547767. The reversal of 248135547761 is 167745531842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248135547761 - 2³⁰ = 247061805937 is a prime.

It is a super-2 number, since 2×248135547761² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248135547767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221345 + ... + 3297473.

It is an arithmetic number, because the mean of its divisors is an integer number (31063323900).

Almost surely, 2^248135547761 is an apocalyptic number.

It is an amenable number.

248135547761 is a deficient number, since it is larger than the sum of its proper divisors (371043439).

248135547761 is an equidigital number, since it uses as much as digits as its factorization.

248135547761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80959.

The product of its digits is 5644800, while the sum is 53.

The spelling of 248135547761 in words is "two hundred forty-eight billion, one hundred thirty-five million, five hundred forty-seven thousand, seven hundred sixty-one".