5171761512 has 24 divisors (see below), whose sum is σ = 14006854290. Its totient is φ = 1723920480.

The previous prime is 5171761501. The next prime is 5171761547. The reversal of 5171761512 is 2151671715.

It is a happy number.

5171761512 is a `hidden beast` number, since 5 + 1 + 71 + 76 + 1 + 512 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4348874916 + 822886596 = 65946^2 + 28686^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×5171761512² = 53494234274009052288, which contains 22 as substring.

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

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 35914939 + ... + 35915082.

Almost surely, 2^5171761512 is an apocalyptic number.

It is an amenable number.

5171761512 is an abundant number, since it is smaller than the sum of its proper divisors (8835092778).

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

5171761512 is a wasteful number, since it uses less digits than its factorization.

5171761512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71830033 (or 71830026 counting only the distinct ones).

The product of its digits is 14700, while the sum is 36.

The square root of 5171761512 is about 71914.9602794857. The cubic root of 5171761512 is about 1729.3364548516.

The spelling of 5171761512 in words is "five billion, one hundred seventy-one million, seven hundred sixty-one thousand, five hundred twelve".