5165403511 has 4 divisors (see below), whose sum is σ = 5165572752. Its totient is φ = 5165234272.

The previous prime is 5165403497. The next prime is 5165403533. The reversal of 5165403511 is 1153045615.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5165403511 is a prime.

It is a super-2 number, since 2×5165403511² = 53362786862902254242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165403011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24691 + ... + 104596.

It is an arithmetic number, because the mean of its divisors is an integer number (1291393188).

Almost surely, 2^5165403511 is an apocalyptic number.

5165403511 is a deficient number, since it is larger than the sum of its proper divisors (169241).

5165403511 is a wasteful number, since it uses less digits than its factorization.

5165403511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169240.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 5165403511 is about 71870.7416895081. The cubic root of 5165403511 is about 1728.6275002946.

The spelling of 5165403511 in words is "five billion, one hundred sixty-five million, four hundred three thousand, five hundred eleven".