7211151011052 has 144 divisors (see below), whose sum is σ = 19328240236032. Its totient is φ = 2349803390400.

The previous prime is 7211151011023. The next prime is 7211151011083. The reversal of 7211151011052 is 2501101511127.

7211151011052 is a `hidden beast` number, since 7 + 21 + 11 + 510 + 110 + 5 + 2 = 666.

It is a super-2 number, since 2×7211151011052² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38875927 + ... + 39060977.

It is an arithmetic number, because the mean of its divisors is an integer number (134223890528).

Almost surely, 2^{7211151011052} 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 7211151011052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9664120118016).

7211151011052 is an abundant number, since it is smaller than the sum of its proper divisors (12117089224980).

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

7211151011052 is a wasteful number, since it uses less digits than its factorization.

7211151011052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185970 (or 185956 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 27.

Adding to 7211151011052 its reverse (2501101511127), we get a palindrome (9712252522179).

The spelling of 7211151011052 in words is "seven trillion, two hundred eleven billion, one hundred fifty-one million, eleven thousand, fifty-two".