5251043011 has 24 divisors (see below), whose sum is σ = 5693106240. Its totient is φ = 4840897152.

The previous prime is 5251043003. The next prime is 5251043027. The reversal of 5251043011 is 1103401525.

It is a happy number.

It is not a de Polignac number, because 5251043011 - 2³ = 5251043003 is a prime.

It is a super-2 number, since 2×5251043011² = 55146905406743892242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251043041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9326616 + ... + 9327178.

It is an arithmetic number, because the mean of its divisors is an integer number (237212760).

Almost surely, 2^5251043011 is an apocalyptic number.

5251043011 is a deficient number, since it is larger than the sum of its proper divisors (442063229).

5251043011 is a wasteful number, since it uses less digits than its factorization.

5251043011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5251043011 is about 72464.0808331962. The cubic root of 5251043011 is about 1738.1284111404.

Adding to 5251043011 its reverse (1103401525), we get a palindrome (6354444536).

The spelling of 5251043011 in words is "five billion, two hundred fifty-one million, forty-three thousand, eleven".