2511131142 has 32 divisors (see below), whose sum is σ = 5461118208. Its totient is φ = 765151776.

The previous prime is 2511131137. The next prime is 2511131153. The reversal of 2511131142 is 2411311152.

It is a super-2 number, since 2×2511131142² = 12611559224644448328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148248 + ... + 164315.

It is an arithmetic number, because the mean of its divisors is an integer number (170659944).

Almost surely, 2^2511131142 is an apocalyptic number.

2511131142 is an abundant number, since it is smaller than the sum of its proper divisors (2949987066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2511131142 is a wasteful number, since it uses less digits than its factorization.

2511131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312684.

The product of its digits is 240, while the sum is 21.

The square root of 2511131142 is about 50111.1877927474. The cubic root of 2511131142 is about 1359.2201306650.

Adding to 2511131142 its reverse (2411311152), we get a palindrome (4922442294).

The spelling of 2511131142 in words is "two billion, five hundred eleven million, one hundred thirty-one thousand, one hundred forty-two".