5371125561 has 48 divisors (see below), whose sum is σ = 8282514240. Its totient is φ = 3344457600.

The previous prime is 5371125547. The next prime is 5371125569. The reversal of 5371125561 is 1655211735.

It is a happy number.

5371125561 is a `hidden beast` number, since 5 + 3 + 71 + 1 + 25 + 561 = 666.

It is not a de Polignac number, because 5371125561 - 2⁷ = 5371125433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5371125569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5301691 + ... + 5302703.

It is an arithmetic number, because the mean of its divisors is an integer number (172552380).

Almost surely, 2^5371125561 is an apocalyptic number.

It is an amenable number.

5371125561 is a deficient number, since it is larger than the sum of its proper divisors (2911388679).

5371125561 is a wasteful number, since it uses less digits than its factorization.

5371125561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1443 counting only the distinct ones).

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

The square root of 5371125561 is about 73287.9632750154. The cubic root of 5371125561 is about 1751.2780390365.

The spelling of 5371125561 in words is "five billion, three hundred seventy-one million, one hundred twenty-five thousand, five hundred sixty-one".