5501051111 has 4 divisors (see below), whose sum is σ = 5501206824. Its totient is φ = 5500895400.

The previous prime is 5501051081. The next prime is 5501051113. The reversal of 5501051111 is 1111501055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5501051111 - 2⁶ = 5501051047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5501051113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416 + ... + 104946.

It is an arithmetic number, because the mean of its divisors is an integer number (1375301706).

Almost surely, 2^5501051111 is an apocalyptic number.

5501051111 is a deficient number, since it is larger than the sum of its proper divisors (155713).

5501051111 is a wasteful number, since it uses less digits than its factorization.

5501051111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155712.

The product of its (nonzero) digits is 125, while the sum is 20.

The square root of 5501051111 is about 74169.0711213239. The cubic root of 5501051111 is about 1765.2866086207.

Adding to 5501051111 its reverse (1111501055), we get a palindrome (6612552166).

The spelling of 5501051111 in words is "five billion, five hundred one million, fifty-one thousand, one hundred eleven".