551242642345526 has 8 divisors (see below), whose sum is σ = 838509934835664. Its totient is φ = 271739330733640.

The previous prime is 551242642345519. The next prime is 551242642345547. The reversal of 551242642345526 is 625543246242155.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940995219385 + ... + 1940995219668.

It is an arithmetic number, because the mean of its divisors is an integer number (104813741854458).

Almost surely, 2^{551242642345526} is an apocalyptic number.

551242642345526 is a deficient number, since it is larger than the sum of its proper divisors (287267292490138).

551242642345526 is a wasteful number, since it uses less digits than its factorization.

551242642345526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881990439126.

The product of its digits is 69120000, while the sum is 56.

The spelling of 551242642345526 in words is "five hundred fifty-one trillion, two hundred forty-two billion, six hundred forty-two million, three hundred forty-five thousand, five hundred twenty-six".