5011221054 has 64 divisors (see below), whose sum is σ = 11861821440. Its totient is φ = 1380933120.

The previous prime is 5011221043. The next prime is 5011221067. The reversal of 5011221054 is 4501221105.

It is a super-2 number, since 2×5011221054² = 50224672904105741832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 5011221054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1656187 + ... + 1659209.

It is an arithmetic number, because the mean of its divisors is an integer number (185340960).

Almost surely, 2^5011221054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5011221054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5930910720).

5011221054 is an abundant number, since it is smaller than the sum of its proper divisors (6850600386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5011221054 is a wasteful number, since it uses less digits than its factorization.

5011221054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 5011221054 is about 70789.9784856585. The cubic root of 5011221054 is about 1711.2541731123.

Adding to 5011221054 its reverse (4501221105), we get a palindrome (9512442159).

The spelling of 5011221054 in words is "five billion, eleven million, two hundred twenty-one thousand, fifty-four".