253220154112 has 72 divisors (see below), whose sum is σ = 507626582400. Its totient is φ = 126066450432.

The previous prime is 253220154107. The next prime is 253220154181. The reversal of 253220154112 is 211451022352.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62413588 + ... + 62417644.

It is an arithmetic number, because the mean of its divisors is an integer number (7050369200).

Almost surely, 2^253220154112 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 253220154112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253813291200).

253220154112 is an abundant number, since it is smaller than the sum of its proper divisors (254406428288).

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

253220154112 is an equidigital number, since it uses as much as digits as its factorization.

253220154112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 253220154112 its reverse (211451022352), we get a palindrome (464671176464).

The spelling of 253220154112 in words is "two hundred fifty-three billion, two hundred twenty million, one hundred fifty-four thousand, one hundred twelve".