25201123042411 has 16 divisors (see below), whose sum is σ = 27489773352960. Its totient is φ = 23014693693440.

The previous prime is 25201123042351. The next prime is 25201123042439. The reversal of 25201123042411 is 11424032110252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25201123042411 - 2¹⁷ = 25201122911339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25201123042411.

It is not an unprimeable number, because it can be changed into a prime (25201123042451) 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, 83090431 + ... + 83393176.

It is an arithmetic number, because the mean of its divisors is an integer number (1718110834560).

Almost surely, 2^{25201123042411} is an apocalyptic number.

25201123042411 is a deficient number, since it is larger than the sum of its proper divisors (2288650310549).

25201123042411 is a wasteful number, since it uses less digits than its factorization.

25201123042411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166483914.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 25201123042411 its reverse (11424032110252), we get a palindrome (36625155152663).

The spelling of 25201123042411 in words is "twenty-five trillion, two hundred one billion, one hundred twenty-three million, forty-two thousand, four hundred eleven".