811041604725 has 24 divisors (see below), whose sum is σ = 1462824132192. Its totient is φ = 393232292800.

The previous prime is 811041604699. The next prime is 811041604739. The reversal of 811041604725 is 527406140118.

It is not a de Polignac number, because 811041604725 - 2⁶ = 811041604661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 491539542 + ... + 491541191.

It is an arithmetic number, because the mean of its divisors is an integer number (60951005508).

Almost surely, 2^811041604725 is an apocalyptic number.

It is an amenable number.

811041604725 is a deficient number, since it is larger than the sum of its proper divisors (651782527467).

811041604725 is a wasteful number, since it uses less digits than its factorization.

811041604725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983080757 (or 983080752 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 811041604725 in words is "eight hundred eleven billion, forty-one million, six hundred four thousand, seven hundred twenty-five".