5211523144 has 16 divisors (see below), whose sum is σ = 9905464620. Its totient is φ = 2570065920.

The previous prime is 5211523133. The next prime is 5211523169. The reversal of 5211523144 is 4413251125.

It can be written as a sum of positive squares in 2 ways, for example, as 5171048100 + 40475044 = 71910^2 + 6362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4461337 + ... + 4462504.

Almost surely, 2^5211523144 is an apocalyptic number.

It is an amenable number.

5211523144 is a deficient number, since it is larger than the sum of its proper divisors (4693941476).

5211523144 is a wasteful number, since it uses less digits than its factorization.

5211523144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923920 (or 8923916 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 5211523144 is about 72190.8799226052. The cubic root of 5211523144 is about 1733.7569842494.

Adding to 5211523144 its reverse (4413251125), we get a palindrome (9624774269).

The spelling of 5211523144 in words is "five billion, two hundred eleven million, five hundred twenty-three thousand, one hundred forty-four".