2551542015 has 64 divisors (see below), whose sum is σ = 4814922240. Its totient is φ = 1140272640.

The previous prime is 2551542013. The next prime is 2551542031. The reversal of 2551542015 is 5102451552.

It is not a de Polignac number, because 2551542015 - 2¹ = 2551542013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551542013) 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 63 ways as a sum of consecutive naturals, for example, 104997 + ... + 126993.

It is an arithmetic number, because the mean of its divisors is an integer number (75233160).

Almost surely, 2^2551542015 is an apocalyptic number.

2551542015 is a deficient number, since it is larger than the sum of its proper divisors (2263380225).

2551542015 is a wasteful number, since it uses less digits than its factorization.

2551542015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22072.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 2551542015 is about 50512.7906079242. The cubic root of 2551542015 is about 1366.4725377312.

Adding to 2551542015 its reverse (5102451552), we get a palindrome (7653993567).

The spelling of 2551542015 in words is "two billion, five hundred fifty-one million, five hundred forty-two thousand, fifteen".