2511255142 has 16 divisors (see below), whose sum is σ = 4147030800. Its totient is φ = 1131006240.

The previous prime is 2511255133. The next prime is 2511255143. The reversal of 2511255142 is 2415521152.

It is a self number, because there is not a number n which added to its sum of digits gives 2511255142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511255143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521217 + ... + 526012.

It is an arithmetic number, because the mean of its divisors is an integer number (259189425).

Almost surely, 2^2511255142 is an apocalyptic number.

2511255142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2511255142 is a deficient number, since it is larger than the sum of its proper divisors (1635775658).

2511255142 is a wasteful number, since it uses less digits than its factorization.

2511255142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047351.

The product of its digits is 4000, while the sum is 28.

The square root of 2511255142 is about 50112.4250261350. The cubic root of 2511255142 is about 1359.2425031222.

Adding to 2511255142 its reverse (2415521152), we get a palindrome (4926776294).

The spelling of 2511255142 in words is "two billion, five hundred eleven million, two hundred fifty-five thousand, one hundred forty-two".