551061050551 has 16 divisors (see below), whose sum is σ = 620614038528. Its totient is φ = 484754169600.

The previous prime is 551061050543. The next prime is 551061050557. The reversal of 551061050551 is 155050160155.

It is a cyclic number.

It is not a de Polignac number, because 551061050551 - 2³ = 551061050543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551061050557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3424440 + ... + 3581746.

It is an arithmetic number, because the mean of its divisors is an integer number (38788377408).

Almost surely, 2^551061050551 is an apocalyptic number.

551061050551 is a deficient number, since it is larger than the sum of its proper divisors (69552987977).

551061050551 is a wasteful number, since it uses less digits than its factorization.

551061050551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167622.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 551061050551 in words is "five hundred fifty-one billion, sixty-one million, fifty thousand, five hundred fifty-one".