248623566261 has 24 divisors (see below), whose sum is σ = 388320752832. Its totient is φ = 138605452800.

The previous prime is 248623566251. The next prime is 248623566287. The reversal of 248623566261 is 162665326842.

It is not a de Polignac number, because 248623566261 - 2⁶ = 248623566197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248623566251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3486180 + ... + 3556781.

It is an arithmetic number, because the mean of its divisors is an integer number (16180031368).

Almost surely, 2^248623566261 is an apocalyptic number.

248623566261 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

248623566261 is a deficient number, since it is larger than the sum of its proper divisors (139697186571).

248623566261 is an equidigital number, since it uses as much as digits as its factorization.

248623566261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043053 (or 7043012 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 51.

The spelling of 248623566261 in words is "two hundred forty-eight billion, six hundred twenty-three million, five hundred sixty-six thousand, two hundred sixty-one".