253213451512 has 64 divisors (see below), whose sum is σ = 561854592000. Its totient is φ = 104676437376.

The previous prime is 253213451429. The next prime is 253213451527. The reversal of 253213451512 is 215154312352.

It is a super-3 number, since 3×253213451512³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612303 + ... + 1762369.

It is an arithmetic number, because the mean of its divisors is an integer number (8778978000).

Almost surely, 2^253213451512 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 253213451512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280927296000).

253213451512 is an abundant number, since it is smaller than the sum of its proper divisors (308641140488).

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

253213451512 is a wasteful number, since it uses less digits than its factorization.

253213451512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151148 (or 151144 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

Adding to 253213451512 its reverse (215154312352), we get a palindrome (468367763864).

The spelling of 253213451512 in words is "two hundred fifty-three billion, two hundred thirteen million, four hundred fifty-one thousand, five hundred twelve".