2551215045 has 8 divisors (see below), whose sum is σ = 4081944096. Its totient is φ = 1360648016.

The previous prime is 2551215031. The next prime is 2551215053. The reversal of 2551215045 is 5405121552.

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

It is a cyclic number.

It is not a de Polignac number, because 2551215045 - 2⁷ = 2551214917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85040487 + ... + 85040516.

It is an arithmetic number, because the mean of its divisors is an integer number (510243012).

Almost surely, 2^2551215045 is an apocalyptic number.

It is an amenable number.

2551215045 is a deficient number, since it is larger than the sum of its proper divisors (1530729051).

2551215045 is a wasteful number, since it uses less digits than its factorization.

2551215045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170081011.

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

The square root of 2551215045 is about 50509.5539972390. The cubic root of 2551215045 is about 1366.4141658905.

Adding to 2551215045 its reverse (5405121552), we get a palindrome (7956336597).

The spelling of 2551215045 in words is "two billion, five hundred fifty-one million, two hundred fifteen thousand, forty-five".