551403141344225 has 12 divisors (see below), whose sum is σ = 683754777099900. Its totient is φ = 441112911892800.

The previous prime is 551403141344119. The next prime is 551403141344243. The reversal of 551403141344225 is 522443141304155.

It can be written as a sum of positive squares in 6 ways, for example, as 534640278481 + 550868501065744 = 731191^2 + 23470588^2 .

It is a de Polignac number, because none of the positive numbers 2^k-551403141344225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238857866 + ... + 241155315.

It is an arithmetic number, because the mean of its divisors is an integer number (56979564758325).

Almost surely, 2^{551403141344225} is an apocalyptic number.

It is an amenable number.

551403141344225 is a deficient number, since it is larger than the sum of its proper divisors (132351635755675).

551403141344225 is a wasteful number, since it uses less digits than its factorization.

551403141344225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480059140 (or 480059135 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 551403141344225 in words is "five hundred fifty-one trillion, four hundred three billion, one hundred forty-one million, three hundred forty-four thousand, two hundred twenty-five".