2511522142 has 8 divisors (see below), whose sum is σ = 3767681736. Its totient is φ = 1255628232.

The previous prime is 2511522131. The next prime is 2511522151. The reversal of 2511522142 is 2412251152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40813 + ... + 81784.

It is an arithmetic number, because the mean of its divisors is an integer number (470960217).

Almost surely, 2^2511522142 is an apocalyptic number.

2511522142 is a deficient number, since it is larger than the sum of its proper divisors (1256159594).

2511522142 is a wasteful number, since it uses less digits than its factorization.

2511522142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132842.

The product of its digits is 1600, while the sum is 25.

The square root of 2511522142 is about 50115.0889653007. The cubic root of 2511522142 is about 1359.2906735744.

Adding to 2511522142 its reverse (2412251152), we get a palindrome (4923773294).

The spelling of 2511522142 in words is "two billion, five hundred eleven million, five hundred twenty-two thousand, one hundred forty-two".