25211220334 has 8 divisors (see below), whose sum is σ = 38436778728. Its totient is φ = 12398960760.

The previous prime is 25211220313. The next prime is 25211220347. The reversal of 25211220334 is 43302211252.

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

It is a junction number, because it is equal to n+sod(n) for n = 25211220299 and 25211220308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103324552 + ... + 103324795.

It is an arithmetic number, because the mean of its divisors is an integer number (4804597341).

Almost surely, 2^25211220334 is an apocalyptic number.

25211220334 is a deficient number, since it is larger than the sum of its proper divisors (13225558394).

25211220334 is a wasteful number, since it uses less digits than its factorization.

25211220334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206649410.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 25211220334 its reverse (43302211252), we get a palindrome (68513431586).

The spelling of 25211220334 in words is "twenty-five billion, two hundred eleven million, two hundred twenty thousand, three hundred thirty-four".