5911148880 has 1280 divisors, whose sum is σ = 27898214400. Its totient is φ = 1114767360.

The previous prime is 5911148857. The next prime is 5911148891. The reversal of 5911148880 is 888411195.

5911148880 is a `hidden beast` number, since 5 + 91 + 1 + 1 + 488 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 96904050 + ... + 96904110.

It is an arithmetic number, because the mean of its divisors is an integer number (21795480).

Almost surely, 2^5911148880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5911148880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13949107200).

5911148880 is an abundant number, since it is smaller than the sum of its proper divisors (21987065520).

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

5911148880 is a wasteful number, since it uses less digits than its factorization.

5911148880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The square root of 5911148880 is about 76883.9962540970. The cubic root of 5911148880 is about 1808.1063271194.

The spelling of 5911148880 in words is "five billion, nine hundred eleven million, one hundred forty-eight thousand, eight hundred eighty".