25322153052 has 96 divisors (see below), whose sum is σ = 68238858240. Its totient is φ = 7158663360.

The previous prime is 25322153047. The next prime is 25322153107. The reversal of 25322153052 is 25035122352.

It is a super-2 number, since 2×25322153052² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13112527 + ... + 13114457.

It is an arithmetic number, because the mean of its divisors is an integer number (710821440).

Almost surely, 2^25322153052 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 25322153052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34119429120).

25322153052 is an abundant number, since it is smaller than the sum of its proper divisors (42916705188).

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

25322153052 is a wasteful number, since it uses less digits than its factorization.

25322153052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511 (or 3509 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 25322153052 in words is "twenty-five billion, three hundred twenty-two million, one hundred fifty-three thousand, fifty-two".