5215111101552 has 160 divisors (see below), whose sum is σ = 14807623680000. Its totient is φ = 1568472837120.

The previous prime is 5215111101547. The next prime is 5215111101581. The reversal of 5215111101552 is 2551011115125.

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, 100595574 + ... + 100647402.

It is an arithmetic number, because the mean of its divisors is an integer number (92547648000).

Almost surely, 2^{5215111101552} 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 5215111101552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7403811840000).

5215111101552 is an abundant number, since it is smaller than the sum of its proper divisors (9592512578448).

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

5215111101552 is a wasteful number, since it uses less digits than its factorization.

5215111101552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53279 (or 53273 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 30.

Adding to 5215111101552 its reverse (2551011115125), we get a palindrome (7766122216677).

The spelling of 5215111101552 in words is "five trillion, two hundred fifteen billion, one hundred eleven million, one hundred one thousand, five hundred fifty-two".