2515131142 has 16 divisors (see below), whose sum is σ = 3866116464. Its totient is φ = 1226448000.

The previous prime is 2515131133. The next prime is 2515131211. The reversal of 2515131142 is 2411315152.

It is a super-2 number, since 2×2515131142² = 12651769322916448328, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 407842 + ... + 413962.

It is an arithmetic number, because the mean of its divisors is an integer number (241632279).

Almost surely, 2^2515131142 is an apocalyptic number.

2515131142 is a deficient number, since it is larger than the sum of its proper divisors (1350985322).

2515131142 is a wasteful number, since it uses less digits than its factorization.

2515131142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11175.

The product of its digits is 1200, while the sum is 25.

The square root of 2515131142 is about 50151.0831587913. The cubic root of 2515131142 is about 1359.9414518480.

Adding to 2515131142 its reverse (2411315152), we get a palindrome (4926446294).

The spelling of 2515131142 in words is "two billion, five hundred fifteen million, one hundred thirty-one thousand, one hundred forty-two".