2551015455 has 16 divisors (see below), whose sum is σ = 4127487840. Its totient is φ = 1345253888.

The previous prime is 2551015447. The next prime is 2551015471. The reversal of 2551015455 is 5545101552.

It is a cyclic number.

It is not a de Polignac number, because 2551015455 - 2³ = 2551015447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954102 + ... + 956771.

It is an arithmetic number, because the mean of its divisors is an integer number (257967990).

Almost surely, 2^2551015455 is an apocalyptic number.

2551015455 is a deficient number, since it is larger than the sum of its proper divisors (1576472385).

2551015455 is a wasteful number, since it uses less digits than its factorization.

2551015455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910970.

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 2551015455 is about 50507.5781937721. The cubic root of 2551015455 is about 1366.3785319264.

The spelling of 2551015455 in words is "two billion, five hundred fifty-one million, fifteen thousand, four hundred fifty-five".