5100511020 has 192 divisors, whose sum is σ = 16697995776. Its totient is φ = 1149521920.

The previous prime is 5100511019. The next prime is 5100511051. The reversal of 5100511020 is 201150015.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 928522 + ... + 933998.

It is an arithmetic number, because the mean of its divisors is an integer number (86968728).

Almost surely, 2^5100511020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5100511020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8348997888).

5100511020 is an abundant number, since it is smaller than the sum of its proper divisors (11597484756).

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

5100511020 is a wasteful number, since it uses less digits than its factorization.

5100511020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600 (or 5598 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 5100511020 is about 71417.8620514504. The cubic root of 5100511020 is about 1721.3581102469.

Adding to 5100511020 its reverse (201150015), we get a palindrome (5301661035).

The spelling of 5100511020 in words is "five billion, one hundred million, five hundred eleven thousand, twenty".