551566051751 has 16 divisors (see below), whose sum is σ = 648152765568. Its totient is φ = 462739000800.

The previous prime is 551566051727. The next prime is 551566051753. The reversal of 551566051751 is 157150665155.

It is a cyclic number.

It is not a de Polignac number, because 551566051751 - 2¹⁰ = 551566050727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551566051696 and 551566051705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551566051753) 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, 113600 + ... + 1056426.

It is an arithmetic number, because the mean of its divisors is an integer number (40509547848).

Almost surely, 2^551566051751 is an apocalyptic number.

551566051751 is a deficient number, since it is larger than the sum of its proper divisors (96586713817).

551566051751 is a wasteful number, since it uses less digits than its factorization.

551566051751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946942.

The product of its (nonzero) digits is 787500, while the sum is 47.

The spelling of 551566051751 in words is "five hundred fifty-one billion, five hundred sixty-six million, fifty-one thousand, seven hundred fifty-one".