5551127136 has 144 divisors (see below), whose sum is σ = 16178145984. Its totient is φ = 1804695552.

The previous prime is 5551127117. The next prime is 5551127161. The reversal of 5551127136 is 6317211555.

It is a happy number.

5551127136 is a `hidden beast` number, since 5 + 5 + 511 + 2 + 7 + 136 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a self number, because there is not a number n which added to its sum of digits gives 5551127136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5373276 + ... + 5374308.

It is an arithmetic number, because the mean of its divisors is an integer number (112348236).

Almost surely, 2^5551127136 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 5551127136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8089072992).

5551127136 is an abundant number, since it is smaller than the sum of its proper divisors (10627018848).

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

5551127136 is a wasteful number, since it uses less digits than its factorization.

5551127136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1482 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 5551127136 is about 74505.8865862289. The cubic root of 5551127136 is about 1770.6269004119.

The spelling of 5551127136 in words is "five billion, five hundred fifty-one million, one hundred twenty-seven thousand, one hundred thirty-six".