811453250560 has 88 divisors (see below), whose sum is σ = 1947187886976. Its totient is φ = 324472750080.

The previous prime is 811453250537. The next prime is 811453250653. The reversal of 811453250560 is 65052354118.

811453250560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16261809 + ... + 16311631.

Almost surely, 2^811453250560 is an apocalyptic number.

811453250560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 811453250560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973593943488).

811453250560 is an abundant number, since it is smaller than the sum of its proper divisors (1135734636416).

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

811453250560 is a wasteful number, since it uses less digits than its factorization.

811453250560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53029 (or 53011 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 811453250560 in words is "eight hundred eleven billion, four hundred fifty-three million, two hundred fifty thousand, five hundred sixty".