551011145601 has 8 divisors (see below), whose sum is σ = 839636031424. Its totient is φ = 314863511760.

The previous prime is 551011145561. The next prime is 551011145611. The reversal of 551011145601 is 106541110155.

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

It is not a de Polignac number, because 551011145601 - 2¹⁵ = 551011112833 is a prime.

It is a super-2 number, since 2×551011145601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551011145611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13119312970 + ... + 13119313011.

It is an arithmetic number, because the mean of its divisors is an integer number (104954503928).

Almost surely, 2^551011145601 is an apocalyptic number.

It is an amenable number.

551011145601 is a deficient number, since it is larger than the sum of its proper divisors (288624885823).

551011145601 is a wasteful number, since it uses less digits than its factorization.

551011145601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26238625991.

The product of its (nonzero) digits is 3000, while the sum is 30.

Adding to 551011145601 its reverse (106541110155), we get a palindrome (657552255756).

The spelling of 551011145601 in words is "five hundred fifty-one billion, eleven million, one hundred forty-five thousand, six hundred one".