25120345653411 has 16 divisors (see below), whose sum is σ = 34401170521344. Its totient is φ = 16293265223904.

The previous prime is 25120345653407. The next prime is 25120345653413. The reversal of 25120345653411 is 11435654302152.

It is not a de Polignac number, because 25120345653411 - 2² = 25120345653407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25120345653413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5239501 + ... + 8814366.

It is an arithmetic number, because the mean of its divisors is an integer number (2150073157584).

Almost surely, 2^{25120345653411} is an apocalyptic number.

25120345653411 is a deficient number, since it is larger than the sum of its proper divisors (9280824867933).

25120345653411 is a wasteful number, since it uses less digits than its factorization.

25120345653411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14070010.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 25120345653411 its reverse (11435654302152), we get a palindrome (36555999955563).

The spelling of 25120345653411 in words is "twenty-five trillion, one hundred twenty billion, three hundred forty-five million, six hundred fifty-three thousand, four hundred eleven".