5811850854 has 12 divisors (see below), whose sum is σ = 12592343556. Its totient is φ = 1937283612.

The previous prime is 5811850831. The next prime is 5811850867. The reversal of 5811850854 is 4580581185.

5811850854 is a `hidden beast` number, since 5 + 81 + 18 + 508 + 54 = 666.

It is a super-2 number, since 2×5811850854² = 67555220698281058632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161440284 + ... + 161440319.

It is an arithmetic number, because the mean of its divisors is an integer number (1049361963).

Almost surely, 2^5811850854 is an apocalyptic number.

5811850854 is an abundant number, since it is smaller than the sum of its proper divisors (6780492702).

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

5811850854 is a wasteful number, since it uses less digits than its factorization.

5811850854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322880611 (or 322880608 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 45.

The square root of 5811850854 is about 76235.4960238339. The cubic root of 5811850854 is about 1797.9246506929.

The spelling of 5811850854 in words is "five billion, eight hundred eleven million, eight hundred fifty thousand, eight hundred fifty-four".