4511913261 has 16 divisors (see below), whose sum is σ = 6364670400. Its totient is φ = 2835157248.

The previous prime is 4511913247. The next prime is 4511913281. The reversal of 4511913261 is 1623191154.

It is not a de Polignac number, because 4511913261 - 2⁵ = 4511913229 is a prime.

It is a super-2 number, since 2×4511913261² = 40714722549575308242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4511913221) 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, 189676 + ... + 212133.

It is an arithmetic number, because the mean of its divisors is an integer number (397791900).

Almost surely, 2^4511913261 is an apocalyptic number.

It is an amenable number.

4511913261 is a deficient number, since it is larger than the sum of its proper divisors (1852757139).

4511913261 is a wasteful number, since it uses less digits than its factorization.

4511913261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402028.

The product of its digits is 6480, while the sum is 33.

The square root of 4511913261 is about 67170.7768378482. The cubic root of 4511913261 is about 1652.4192562567.

The spelling of 4511913261 in words is "four billion, five hundred eleven million, nine hundred thirteen thousand, two hundred sixty-one".