551200173720001 has 16 divisors (see below), whose sum is σ = 614172314442960. Its totient is φ = 491172802928640.

The previous prime is 551200173719891. The next prime is 551200173720067. The reversal of 551200173720001 is 100027371002155.

It can be written as a sum of positive squares in 8 ways, for example, as 142273963458225 + 408926210261776 = 11927865^2 + 20221924^2 .

It is a cyclic number.

It is not a de Polignac number, because 551200173720001 - 2¹³ = 551200173711809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551200173720071) 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, 120556780 + ... + 125045341.

It is an arithmetic number, because the mean of its divisors is an integer number (38385769652685).

Almost surely, 2^{551200173720001} is an apocalyptic number.

It is an amenable number.

551200173720001 is a deficient number, since it is larger than the sum of its proper divisors (62972140722959).

551200173720001 is a wasteful number, since it uses less digits than its factorization.

551200173720001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245608116.

The product of its (nonzero) digits is 14700, while the sum is 34.

The spelling of 551200173720001 in words is "five hundred fifty-one trillion, two hundred billion, one hundred seventy-three million, seven hundred twenty thousand, one".