25532155123552 has 384 divisors, whose sum is σ = 69347834615808. Its totient is φ = 8941606502400.

The previous prime is 25532155123549. The next prime is 25532155123561.

25532155123552 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 636803218 + ... + 636843310.

It is an arithmetic number, because the mean of its divisors is an integer number (180593319312).

Almost surely, 2^{25532155123552} is an apocalyptic number.

25532155123552 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 25532155123552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34673917307904).

25532155123552 is an abundant number, since it is smaller than the sum of its proper divisors (43815679492256).

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

25532155123552 is a wasteful number, since it uses less digits than its factorization.

25532155123552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40822 (or 40814 counting only the distinct ones).

The product of its digits is 2250000, while the sum is 46.

It can be divided in two parts, 2553215 and 5123552, that added together give a palindrome (7676767).

The spelling of 25532155123552 in words is "twenty-five trillion, five hundred thirty-two billion, one hundred fifty-five million, one hundred twenty-three thousand, five hundred fifty-two".