64110513252 has 24 divisors (see below), whose sum is σ = 149843475936. Its totient is φ = 21334131328.

The previous prime is 64110513251. The next prime is 64110513253. The reversal of 64110513252 is 25231501146.

64110513252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64110513251) and next prime (64110513253).

It is a super-2 number, since 2×64110513252² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64110513251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4497558 + ... + 4511789.

It is an arithmetic number, because the mean of its divisors is an integer number (6243478164).

Almost surely, 2^64110513252 is an apocalyptic number.

It is an amenable number.

64110513252 is an abundant number, since it is smaller than the sum of its proper divisors (85732962684).

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

64110513252 is a wasteful number, since it uses less digits than its factorization.

64110513252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009947 (or 9009945 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 64110513252 in words is "sixty-four billion, one hundred ten million, five hundred thirteen thousand, two hundred fifty-two".