25155222141 has 8 divisors (see below), whose sum is σ = 38331767104. Its totient is φ = 14374412640.

The previous prime is 25155222109. The next prime is 25155222179. The reversal of 25155222141 is 14122255152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25155222141 - 2⁵ = 25155222109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25155222099 and 25155222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25155222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598933840 + ... + 598933881.

It is an arithmetic number, because the mean of its divisors is an integer number (4791470888).

Almost surely, 2^25155222141 is an apocalyptic number.

25155222141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25155222141 is a deficient number, since it is larger than the sum of its proper divisors (13176544963).

25155222141 is a wasteful number, since it uses less digits than its factorization.

25155222141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197867731.

The product of its digits is 8000, while the sum is 30.

Adding to 25155222141 its reverse (14122255152), we get a palindrome (39277477293).

The spelling of 25155222141 in words is "twenty-five billion, one hundred fifty-five million, two hundred twenty-two thousand, one hundred forty-one".