5855251491 has 12 divisors (see below), whose sum is σ = 8458850920. Its totient is φ = 3902916960.

The previous prime is 5855251483. The next prime is 5855251543. The reversal of 5855251491 is 1941525585.

5855251491 is a `hidden beast` number, since 5 + 8 + 552 + 5 + 1 + 4 + 91 = 666.

It is not a de Polignac number, because 5855251491 - 2³ = 5855251483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5855251991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19911 + ... + 110031.

Almost surely, 2^5855251491 is an apocalyptic number.

5855251491 is a deficient number, since it is larger than the sum of its proper divisors (2603599429).

5855251491 is a wasteful number, since it uses less digits than its factorization.

5855251491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97346 (or 97343 counting only the distinct ones).

The product of its digits is 360000, while the sum is 45.

The square root of 5855251491 is about 76519.6150735222. The cubic root of 5855251491 is about 1802.3889566821.

The spelling of 5855251491 in words is "five billion, eight hundred fifty-five million, two hundred fifty-one thousand, four hundred ninety-one".