5511273264 has 320 divisors, whose sum is σ = 18628807680. Its totient is φ = 1527552000.

The previous prime is 5511273263. The next prime is 5511273277. The reversal of 5511273264 is 4623721155.

5511273264 is a `hidden beast` number, since 551 + 12 + 7 + 32 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5511273263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21957139 + ... + 21957389.

It is an arithmetic number, because the mean of its divisors is an integer number (58215024).

Almost surely, 2^5511273264 is an apocalyptic number.

5511273264 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5511273264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9314403840).

5511273264 is an abundant number, since it is smaller than the sum of its proper divisors (13117534416).

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

5511273264 is a wasteful number, since it uses less digits than its factorization.

5511273264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 453 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 5511273264 is about 74237.9502949805. The cubic root of 5511273264 is about 1766.3793612457.

The spelling of 5511273264 in words is "five billion, five hundred eleven million, two hundred seventy-three thousand, two hundred sixty-four".