25125104532 has 72 divisors (see below), whose sum is σ = 64527922816. Its totient is φ = 7603200000.

The previous prime is 25125104509. The next prime is 25125104567. The reversal of 25125104532 is 23540152152.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25125104532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1078932 + ... + 1101972.

Almost surely, 2^25125104532 is an apocalyptic number.

25125104532 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 25125104532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32263961408).

25125104532 is an abundant number, since it is smaller than the sum of its proper divisors (39402818284).

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

25125104532 is a wasteful number, since it uses less digits than its factorization.

25125104532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23821 (or 23808 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 25125104532 its reverse (23540152152), we get a palindrome (48665256684).

The spelling of 25125104532 in words is "twenty-five billion, one hundred twenty-five million, one hundred four thousand, five hundred thirty-two".