5211542145 has 16 divisors (see below), whose sum is σ = 8346441600. Its totient is φ = 2776831104.

The previous prime is 5211542143. The next prime is 5211542159. The reversal of 5211542145 is 5412451125.

It is not a de Polignac number, because 5211542145 - 2¹ = 5211542143 is a prime.

It is a super-2 number, since 2×5211542145² = 54320343058222402050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5211542143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149869 + ... + 181338.

It is an arithmetic number, because the mean of its divisors is an integer number (521652600).

Almost surely, 2^5211542145 is an apocalyptic number.

It is an amenable number.

5211542145 is a deficient number, since it is larger than the sum of its proper divisors (3134899455).

5211542145 is a wasteful number, since it uses less digits than its factorization.

5211542145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332264.

The product of its digits is 8000, while the sum is 30.

The square root of 5211542145 is about 72191.0115249814. The cubic root of 5211542145 is about 1733.7590913159.

The spelling of 5211542145 in words is "five billion, two hundred eleven million, five hundred forty-two thousand, one hundred forty-five".