5911398861 has 8 divisors (see below), whose sum is σ = 7883161824. Its totient is φ = 3940284240.

The previous prime is 5911398833. The next prime is 5911398863. The reversal of 5911398861 is 1688931195.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5911398861 - 2¹⁵ = 5911366093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5911398863) 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, 140395 + ... + 177576.

It is an arithmetic number, because the mean of its divisors is an integer number (985395228).

Almost surely, 2^5911398861 is an apocalyptic number.

It is an amenable number.

5911398861 is a deficient number, since it is larger than the sum of its proper divisors (1971762963).

5911398861 is a wasteful number, since it uses less digits than its factorization.

5911398861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324171.

The product of its digits is 466560, while the sum is 51.

The square root of 5911398861 is about 76885.6219393457. The cubic root of 5911398861 is about 1808.1318148807.

The spelling of 5911398861 in words is "five billion, nine hundred eleven million, three hundred ninety-eight thousand, eight hundred sixty-one".