5550151121 has 4 divisors (see below), whose sum is σ = 5551257600. Its totient is φ = 5549044644.

The previous prime is 5550151093. The next prime is 5550151127. The reversal of 5550151121 is 1211510555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5550151121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5550151127) 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, 545681 + ... + 555758.

It is an arithmetic number, because the mean of its divisors is an integer number (1387814400).

Almost surely, 2^5550151121 is an apocalyptic number.

It is an amenable number.

5550151121 is a deficient number, since it is larger than the sum of its proper divisors (1106479).

5550151121 is a wasteful number, since it uses less digits than its factorization.

5550151121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106478.

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 5550151121 is about 74499.3363795947. The cubic root of 5550151121 is about 1770.5231221062.

Adding to 5550151121 its reverse (1211510555), we get a palindrome (6761661676).

The spelling of 5550151121 in words is "five billion, five hundred fifty million, one hundred fifty-one thousand, one hundred twenty-one".