25125776130 has 256 divisors, whose sum is σ = 78672384000. Its totient is φ = 4987008000.

The previous prime is 25125776119. The next prime is 25125776131. The reversal of 25125776130 is 3167752152.

It is a happy number.

It is a super-2 number, since 2×25125776130² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (25125776131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7727005 + ... + 7730255.

It is an arithmetic number, because the mean of its divisors is an integer number (307314000).

Almost surely, 2^25125776130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25125776130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39336192000).

25125776130 is an abundant number, since it is smaller than the sum of its proper divisors (53546607870).

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

25125776130 is a wasteful number, since it uses less digits than its factorization.

25125776130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 25125776130 in words is "twenty-five billion, one hundred twenty-five million, seven hundred seventy-six thousand, one hundred thirty".