813248111448 has 32 divisors (see below), whose sum is σ = 2259022532400. Its totient is φ = 271082703744.

The previous prime is 813248111441. The next prime is 813248111449. The reversal of 813248111448 is 844111842318.

813248111448 is a `hidden beast` number, since 8 + 13 + 2 + 481 + 114 + 48 = 666.

It is a super-2 number, since 2×813248111448² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813248111441) 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, 1882518561 + ... + 1882518992.

Almost surely, 2^813248111448 is an apocalyptic number.

It is an amenable number.

813248111448 is an abundant number, since it is smaller than the sum of its proper divisors (1445774420952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813248111448 is a wasteful number, since it uses less digits than its factorization.

813248111448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765037568 (or 3765037558 counting only the distinct ones).

The product of its digits is 196608, while the sum is 45.

The spelling of 813248111448 in words is "eight hundred thirteen billion, two hundred forty-eight million, one hundred eleven thousand, four hundred forty-eight".