551243054135 has 8 divisors (see below), whose sum is σ = 661517953440. Its totient is φ = 440976917664.

The previous prime is 551243054123. The next prime is 551243054143. The reversal of 551243054135 is 531450342155.

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 551243054135 - 2¹⁸ = 551242791991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051507 + ... + 2304596.

It is an arithmetic number, because the mean of its divisors is an integer number (82689744180).

Almost surely, 2^551243054135 is an apocalyptic number.

551243054135 is a deficient number, since it is larger than the sum of its proper divisors (110274899305).

551243054135 is a wasteful number, since it uses less digits than its factorization.

551243054135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381417.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 551243054135 in words is "five hundred fifty-one billion, two hundred forty-three million, fifty-four thousand, one hundred thirty-five".