25123222232152 has 64 divisors (see below), whose sum is σ = 52370710198560. Its totient is φ = 11201461939200.

The previous prime is 25123222232083. The next prime is 25123222232161.

25123222232152 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25123222232152² (a number of 28 digits) contains 22 as substring.

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, 18624652 + ... + 19927972.

Almost surely, 2^{25123222232152} is an apocalyptic number.

25123222232152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25123222232152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26185355099280).

25123222232152 is an abundant number, since it is smaller than the sum of its proper divisors (27247487966408).

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

25123222232152 is a wasteful number, since it uses less digits than its factorization.

25123222232152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307524 (or 1307520 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

It can be divided in two parts, 2512322 and 2232152, that added together give a palindrome (4744474).

The spelling of 25123222232152 in words is "twenty-five trillion, one hundred twenty-three billion, two hundred twenty-two million, two hundred thirty-two thousand, one hundred fifty-two".