5911123091 has 8 divisors (see below), whose sum is σ = 6285702384. Its totient is φ = 5539528960.

The previous prime is 5911123063. The next prime is 5911123129. The reversal of 5911123091 is 1903211195.

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

It is a cyclic number.

It is not a de Polignac number, because 5911123091 - 2¹⁸ = 5910860947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5911123291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742205 + ... + 750126.

It is an arithmetic number, because the mean of its divisors is an integer number (785712798).

Almost surely, 2^5911123091 is an apocalyptic number.

5911123091 is a deficient number, since it is larger than the sum of its proper divisors (374579293).

5911123091 is a wasteful number, since it uses less digits than its factorization.

5911123091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492581.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 5911123091 is about 76883.8285402073. The cubic root of 5911123091 is about 1808.1036976631.

The spelling of 5911123091 in words is "five billion, nine hundred eleven million, one hundred twenty-three thousand, ninety-one".