5145551211 has 16 divisors (see below), whose sum is σ = 7418870784. Its totient is φ = 3159886464.

The previous prime is 5145551179. The next prime is 5145551233. The reversal of 5145551211 is 1121555415.

It is not a de Polignac number, because 5145551211 - 2⁵ = 5145551179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5145551251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070935 + ... + 1075728.

It is an arithmetic number, because the mean of its divisors is an integer number (463679424).

Almost surely, 2^5145551211 is an apocalyptic number.

5145551211 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5145551211 is a deficient number, since it is larger than the sum of its proper divisors (2273319573).

5145551211 is a wasteful number, since it uses less digits than its factorization.

5145551211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146730.

The product of its digits is 5000, while the sum is 30.

The square root of 5145551211 is about 71732.4975934897. The cubic root of 5145551211 is about 1726.4101007696.

The spelling of 5145551211 in words is "five billion, one hundred forty-five million, five hundred fifty-one thousand, two hundred eleven".