2511161146 has 16 divisors (see below), whose sum is σ = 4069717344. Its totient is φ = 1155218544.

The previous prime is 2511161141. The next prime is 2511161161. The reversal of 2511161146 is 6411611152.

It is not an unprimeable number, because it can be changed into a prime (2511161141) 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 7 ways as a sum of consecutive naturals, for example, 149320 + ... + 165283.

It is an arithmetic number, because the mean of its divisors is an integer number (254357334).

Almost surely, 2^2511161146 is an apocalyptic number.

2511161146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2511161146 is a deficient number, since it is larger than the sum of its proper divisors (1558556198).

2511161146 is a wasteful number, since it uses less digits than its factorization.

2511161146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314925.

The product of its digits is 1440, while the sum is 28.

The square root of 2511161146 is about 50111.4871661179. The cubic root of 2511161146 is about 1359.2255441455.

Adding to 2511161146 its reverse (6411611152), we get a palindrome (8922772298).

The spelling of 2511161146 in words is "two billion, five hundred eleven million, one hundred sixty-one thousand, one hundred forty-six".