5221011043551 has 16 divisors (see below), whose sum is σ = 7002518584320. Its totient is φ = 3460094120160.

The previous prime is 5221011043513. The next prime is 5221011043553. The reversal of 5221011043551 is 1553401101225.

It is not a de Polignac number, because 5221011043551 - 2⁶ = 5221011043487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221011043553) 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, 3257706 + ... + 4588536.

It is an arithmetic number, because the mean of its divisors is an integer number (437657411520).

Almost surely, 2^{5221011043551} is an apocalyptic number.

5221011043551 is a deficient number, since it is larger than the sum of its proper divisors (1781507540769).

5221011043551 is a wasteful number, since it uses less digits than its factorization.

5221011043551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338566.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 5221011043551 its reverse (1553401101225), we get a palindrome (6774412144776).

The spelling of 5221011043551 in words is "five trillion, two hundred twenty-one billion, eleven million, forty-three thousand, five hundred fifty-one".