551011110101 has 8 divisors (see below), whose sum is σ = 580341651264. Its totient is φ = 522128363680.

The previous prime is 551011110053. The next prime is 551011110107. The reversal of 551011110101 is 101011110155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551011110101 is a prime.

It is a super-2 number, since 2×551011110101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551011110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551011110107) 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, 111946160 + ... + 111951081.

It is an arithmetic number, because the mean of its divisors is an integer number (72542706408).

Almost surely, 2^551011110101 is an apocalyptic number.

It is an amenable number.

551011110101 is a deficient number, since it is larger than the sum of its proper divisors (29330541163).

551011110101 is a wasteful number, since it uses less digits than its factorization.

551011110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223897371.

The product of its (nonzero) digits is 25, while the sum is 17.

Adding to 551011110101 its reverse (101011110155), we get a palindrome (652022220256).

The spelling of 551011110101 in words is "five hundred fifty-one billion, eleven million, one hundred ten thousand, one hundred one".