25379272512 has 560 divisors, whose sum is σ = 86301072000. Its totient is φ = 7304048640.

The previous prime is 25379272507. The next prime is 25379272517. The reversal of 25379272512 is 21527297352.

25379272512 is a `hidden beast` number, since 2 + 5 + 379 + 27 + 251 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (25379272507) and next prime (25379272517).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25379272517) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 170330614 + ... + 170330762.

Almost surely, 2^25379272512 is an apocalyptic number.

25379272512 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 25379272512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43150536000).

25379272512 is an abundant number, since it is smaller than the sum of its proper divisors (60921799488).

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

25379272512 is a wasteful number, since it uses less digits than its factorization.

25379272512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 297 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 25379272512 in words is "twenty-five billion, three hundred seventy-nine million, two hundred seventy-two thousand, five hundred twelve".